Federal Capture Intelligence

Top DOI natural gas distribution contractors (NAICS 221210)

Contract actions: October 1, 2021 – October 23, 2026 Updated October 24, 2026 Department of the Interior agency guide NAICS 221210 · Natural Gas Distribution
Latest 12 months
$4.6M
Net obligations · Up $2.0M vs. $2.5M preceding
Prime contractors
19
With positive obligations in the latest 12 months

Research the DOI federal contracting market for natural gas distribution under NAICS 221210. Compare top federal contractors and market share, reported contract obligations and spending trends, funding-office attribution, recent award activity, and contract types, competition, and procurement methods.

Contract obligation trends for Natural Gas Distribution at the Department of the Interior

Federal records show $36.8M in net obligations across 163 awards in Natural Gas Distribution at the Department of the Interior from Oct 1, 2021 through Oct 23, 2026. This market accounts for 0.14% of $26.8B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations increased 79.7% from $2.5M to $4.6M. 3 prime contractors accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY27 is year-to-date through Oct 23, 2026; earlier years show complete fiscal-year totals.

FY27 year-to-date: −$36K versus $0 through the same date in FY26 (Not comparable).
Net obligations · complete fiscal yearNet obligations · FY27 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$18.5M152Complete
FY2023$6.6M192Complete
FY2024$4.6M169Complete
FY2025$2.6M155Complete
FY2026$4.6M127Complete

Market at a glance

All reported prime contract awards
All-period net obligations
$36.8M
163 awards · 38 prime contractors
Latest 12-month movement
+79.7%
$4.6M vs. $2.5M
Leading eight prime share
94.4%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
0.14% of $26.8B in agency-wide net obligations.
Set-aside share when reported
36.4% of 66 awards with reported set-aside status.
Set-aside reporting
24 set aside · 42 no set-aside · 97 not reported

What changed in the last 12 months?

Oct 24, 2025–Oct 23, 2026, compared with Oct 24, 2024–Oct 23, 2025.

Competitive shifts

CITY OF PHILADELPHIA gained the most market share
6.1%→38.5%+32.4 percentage points
The contractor now ranks #2 by positive obligations, based on 8 reported actions.

Market structure

Reported set-aside share increased
35.7%→58.3%+22.6 percentage points
Of 24 latest-period awards with reported set-aside status, 14 were reported as set-asides.

Buyer demand

Reported obligations through WASHINGTON CONTRACTING OFFICE increased
$160K→$1.8M+$1.6M
Latest-period activity spans 1 award across 1 prime contractor.
How these findings are calculated

Findings are selected from matched-period changes in obligations, share, rank, funding offices, concentration, reported set-asides, material award actions, and agency-peer outliers. Related signals are combined, and only material evidence-backed changes are shown. Review the full methodology.

Federal contract obligations by funding office

See how positive obligations were attributed across funding offices in the 12 months ending Oct 23, 2026.

55.0% of positive obligations were attributed to INDIAN EDUCATION ACQUISITION OFFICE. That represents $2.5M, up $438K from the preceding 12 months.

Latest 12-month share of positive obligations; the gray segment represents all other reported offices.

  1. INDIAN EDUCATION ACQUISITION OFFICE55.0% · $2.5M · up $438K
  2. WASHINGTON CONTRACTING OFFICE38.5% · $1.8M · up $1.6M
  3. OFFICE OF AVIATION SERVICES (00082)1.1% · $52K · up $8K
  4. FOUR CORNERS CONSTRUCTION OFFICE1.1% · $50K · up $57K
  5. GRAND COULEE POWER OFFICE0.87% · $40K · up $40K
  6. All other reported offices3.4% of positive obligations
View reported office rankings, comparisons, and evidence

USAspending assigns each award to a funding office. That office may differ from the requiring activity, program office, contracting office, individual buyer, or actual customer.

  1. Reported funding office

    INDIAN EDUCATION ACQUISITION OFFICE

    #1Rank unchanged

    Latest 12 months

    $2.5M

    55.0% of positive obligations

    Versus preceding 12 months

    +$438K

    10 active prime contractors · 36 awards

    View office comparison and evidence

    Reported obligations increased 20.9% from $2.1M to $2.5M. The office’s share of positive obligations moved from 80.7% to 55.0%, a change of −25.7 percentage points.

    The latest period contains 78 actions across 36 awards and 1 newly active prime contractor. The preceding period contained 11 active prime contractors and 48 awards.

  2. Reported funding office

    WASHINGTON CONTRACTING OFFICE

    #2Rank unchanged

    Latest 12 months

    $1.8M

    38.5% of positive obligations

    Versus preceding 12 months

    +$1.6M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 1007.9% from $160K to $1.8M. The office’s share of positive obligations moved from 6.2% to 38.5%, a change of +32.3 percentage points.

    The latest period contains 8 actions across 1 award. The preceding period contained 1 active prime contractor and 1 award.

    Leading award-level changes

  3. Reported funding office

    OFFICE OF AVIATION SERVICES (00082)

    #3Up 1 from #4

    Latest 12 months

    $52K

    1.1% of positive obligations

    Versus preceding 12 months

    +$8K

    1 active prime contractor · 3 awards

    View office comparison and evidence

    Reported obligations increased 16.9% from $45K to $52K. The office’s share of positive obligations moved from 1.7% to 1.1%, a change of −0.6 percentage points.

    The latest period contains 4 actions across 3 awards. The preceding period contained 2 active prime contractors and 2 awards.

  4. Reported funding office

    FOUR CORNERS CONSTRUCTION OFFICE

    #4New to the positive-obligation ranking

    Latest 12 months

    $50K

    1.1% of positive obligations

    Versus preceding 12 months

    +$57K

    2 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations moved from $8K in net deobligations to $50K in net obligations. The office’s share of positive obligations moved from 0% to 1.1%, a change of +1.1 percentage points.

    The latest period contains 5 actions across 3 awards. The preceding period contained 2 active prime contractors and 4 awards.

  5. Reported funding office

    GRAND COULEE POWER OFFICE

    #5New to the positive-obligation ranking

    Latest 12 months

    $40K

    0.87% of positive obligations

    Versus preceding 12 months

    +$40K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations rose from $0 to $40K. The office’s share of positive obligations moved from 0% to 0.87%, a change of +0.9 percentage points.

    The latest period contains 2 actions across 1 award and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.

  6. Reported funding office

    WESTERN REGION

    #6Down 1 from #5

    Latest 12 months

    $35K

    0.76% of positive obligations

    Versus preceding 12 months

    −$8K

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations decreased 18.0% from $43K to $35K. The office’s share of positive obligations moved from 1.6% to 0.76%, a change of −0.9 percentage points.

    The latest period contains 7 actions across 2 awards. The preceding period contained 2 active prime contractors and 2 awards.

  7. Reported funding office

    COLUMBIA CASCADE AREA OFFICE

    #7Up 4 from #11

    Latest 12 months

    $29K

    0.63% of positive obligations

    Versus preceding 12 months

    +$19K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 190.0% from $10K to $29K. The office’s share of positive obligations moved from 0.38% to 0.63%, a change of +0.3 percentage points.

    The latest period contains 1 action across 1 award. The preceding period contained 1 active prime contractor and 1 award.

  8. Reported funding office

    PWR HONO MABO(82000)

    #8Rank unchanged

    Latest 12 months

    $28K

    0.61% of positive obligations

    Versus preceding 12 months

    +$630

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 2.3% from $27K to $28K. The office’s share of positive obligations moved from 1.1% to 0.61%, a change of −0.4 percentage points.

    The latest period contains 1 action across 1 award. The preceding period contained 1 active prime contractor and 1 award.

  9. Reported funding office

    GREAT PLAINS REGION

    #9New to the positive-obligation ranking

    Latest 12 months

    $27K

    0.58% of positive obligations

    Versus preceding 12 months

    +$32K

    1 active prime contractor · 2 awards

    View office comparison and evidence

    Reported obligations moved from $6K in net deobligations to $27K in net obligations. The office’s share of positive obligations moved from 0% to 0.58%, a change of +0.6 percentage points.

    The latest period contains 4 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 1 active prime contractor and 1 award.

  10. Reported funding office

    PWR OLYM MABO(83000)

    #10Up 3 from #13

    Latest 12 months

    $21K

    0.46% of positive obligations

    Versus preceding 12 months

    +$17K

    1 active prime contractor · 2 awards

    View office comparison and evidence

    Reported obligations increased 425.0% from $4K to $21K. The office’s share of positive obligations moved from 0.15% to 0.46%, a change of +0.3 percentage points.

    The latest period contains 2 actions across 2 awards. The preceding period contained 1 active prime contractor and 1 award.

  11. Reported funding office

    IMR ARIZONA(12400)

    #12Down 9 from #3

    Latest 12 months

    $7K

    0.14% of positive obligations

    Versus preceding 12 months

    −$93K

    2 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations decreased 93.4% from $100K to $7K. The office’s share of positive obligations moved from 3.8% to 0.14%, a change of −3.7 percentage points.

    The latest period contains 7 actions across 3 awards. The preceding period contained 4 active prime contractors and 5 awards.

  12. Reported funding office

    PACIFIC NW REGION PN 6615

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$23K

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $23K to $0. The office’s share of positive obligations moved from 0.88% to 0%, a change of −0.9 percentage points.

    The latest period contains 0 actions across 0 awards. The preceding period contained 1 active prime contractor and 1 award.

  13. Reported funding office

    LOWER COLORADO REGIONAL OFFICE

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$36K

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $36K to $0. The office’s share of positive obligations moved from 1.4% to 0%, a change of −1.4 percentage points.

    The latest period contains 0 actions across 0 awards. The preceding period contained 1 active prime contractor and 2 awards.

  14. Reported funding office

    UPPER COLORADO REGIONAL OFFICE

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$30K

    1 active prime contractor · 2 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $30K to $0. The office’s share of positive obligations moved from 1.1% to 0%, a change of −1.1 percentage points.

    The latest period contains 2 actions across 2 awards. The preceding period contained 1 active prime contractor and 1 award.

  15. Reported funding office

    NATIONAL PARK SERVICE CONTRACTING ACTIVITY

    No positive-obligation rank

    Latest 12 months

    −$32K

    0% of positive obligations

    Versus preceding 12 months

    −$32K

    1 active prime contractor · 3 awards

    View office comparison and evidence

    Reported obligations moved from $0 in net obligations to $32K in net deobligations. The office’s share of positive obligations moved from 0% to 0%, a change of 0.0 percentage points.

    The latest period contains 3 actions across 3 awards and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.

Contract types, competition, and procurement methods

From Oct 24, 2025 through Oct 23, 2026, 42 awards had positive obligations totaling $4.7M. Sss was the leading reported procedure, accounting for 41.8% of positive obligations. Awards with a reported parent IDV accounted for 92.2%.

Leading award type
91.6%
Delivery Order
Leading reported procedure
41.8%
Sss
Reported parent IDV
92.2%
of positive obligations had a reported parent IDV
Median reported offers
2
14 of 42 awards reported offers

Buying method changes

Compared with Oct 24, 2024–Oct 23, 2025. Based on 42 current awards and 47 preceding awards with positive net obligations.

Reported full-and-open obligation share
15.9%
Down from 64.1% in the preceding period
How to read these changes

Directional color and the Up or Down labels show historical movement only. Green does not mean favorable and red does not mean unfavorable; neither predicts a future procurement method.

Same-NAICS comparison

Compared with the NAICS 221210 peer median, parent-IDV obligation share is 0.1 percentage points lower, reported full-and-open obligation share is 6.4 percentage points lower, delivery-order obligation share is 0.7 percentage points lower, and median positive award obligations are 74.5% lower.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share92.2%92.3%-0.1 pts
Reported full-and-open obligation share15.9%22.4%-6.4 pts
Delivery-order obligation share91.6%92.3%-0.7 pts
Median positive award obligations$29K$114K-74.5%
Peer cohort and comparison limits

The peer median gives each of the 5 eligible agency markets equal weight. The included agency markets are:

Agency mission, scale, and acquisition context can differ. Peer position does not establish market attractiveness or predict a future procurement method.

View buying-method details and data coverage

Award types

Reported valueAwardsPositive obligationsShare
Delivery Order(C)28$4.3M91.6%
Purchase Order(B)13$368K7.8%
BPA Call(A)1$28K0.59%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)28$4.3M91.6%
BPA(E)1$28K0.59%
Not reported13$368K7.8%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)29$4.4M92.2%
Not reported13$368K7.8%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Sss(ONLY ONE SOURCE)8$2.0M41.8%
Ts(TWO STEP)8$1.2M25.6%
Two Step(TS)4$753K15.9%
Only One Source(SSS)14$593K12.5%
Sp1(SIMPLIFIED ACQUISITION)4$102K2.1%
Simplified Acquisition(SP1)4$94K2.0%

Extent competed

Reported valueAwardsPositive obligationsShare
B(NOT AVAILABLE FOR COMPETITION)8$2.0M41.8%
A(FULL AND OPEN COMPETITION)8$1.2M25.6%
Full and Open Competition(A)4$753K15.9%
Not Available for Competition(B)14$593K12.5%
F(COMPETED UNDER SAP)4$102K2.1%
Competed Under SAP(F)4$94K2.0%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Not reported42$4.7M100.0%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Utilities (FAR 6.302-1(B)(3))(UT)22$2.6M54.3%
Not reported20$2.2M45.7%

Contract pricing types

Reported valueAwardsPositive obligationsShare
J(FIRM FIXED PRICE)20$3.3M69.6%
Firm Fixed Price(J)21$1.4M29.8%
Fixed Price with Economic Price Adjustment(K)1$32K0.68%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Utilities- Gas(S111)24$2.6M54.6%
Utilities- Electric(S112)8$1.2M24.4%
Utilities- Other(S119)1$623K13.2%
Utilities- Water(S114)1$172K3.6%
Gases: Compressed and Liquefied(6830)6$143K3.0%
Fuels, Solid(9110)1$35K0.73%
Other reported values1$18K0.38%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Bureau of Indian Affairs and Bureau of Indian Education(1450)30$2.7M56.7%
National Park Service(1443)5$1.9M39.3%
Bureau of Reclamation(1425)5$130K2.8%
Departmental Offices(1406)2$61K1.3%

Awarding offices

Reported valueAwardsPositive obligationsShare
Indian Education Acquisition Office(140A23)27$2.6M55.4%
Washington Contracting Office(140P21)1$1.8M37.5%
Ibc Acq Svcs Directorate (00004)(140D04)2$61K1.3%
Upper Colorado Regional Office(140R40)1$50K1.1%
Grand Coulee Power Office(140R17)1$40K0.84%
Imr Arizona(12400)(140P15)2$37K0.77%
Other reported values8$152K3.2%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
GS00P14BSD1060(4740)12$2.0M41.6%
47PA0420D0009(4740)1$1.8M37.5%
GS00P15BSD1140(4740)5$267K5.6%
GS00P16BSD1183(4740)1$85K1.8%
GS00P14BSD1054(4740)1$80K1.7%
140D0424D0106(1406)2$61K1.3%
47PA0426D0004(4740)1$40K0.84%
GS00P15BSD1139(4740)1$29K0.61%
Other reported values5$63K1.3%
Not reported13$368K7.8%

Offers, award size, and timing

Median reported offers
2 median
14 reported · 28 not reported
Positive award obligations
$29K median
$7K–$71K middle 50%
Reported performance period
1,460 days (~4.0 years) median
42 reported · 0 not reported

Calculations group latest-period actions by award, retain awards with positive net obligations for share denominators, and use each award's latest reported USAspending procurement fields as of Oct 23, 2026. Blank competition, pricing, PSC, or parent-IDV values remain not reported; they are not inferred. Offer counts must be positive and below the FPDS 999 placeholder. Awarding organizations can differ from the funding agency that defines this page.

Top federal contractors

Latest 12-month market share, concentration, and complete prime contractor rankings across the period shown.

Prime contractor concentration
3 of 19prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
41.2%of positive obligations in the last 12 months
Leading four prime contractors
87.5%of positive obligations in the last 12 months
Leading eight prime contractors
94.4%of positive obligations in the last 12 months

Based on $4.6M in positive obligations during the 12 months ending Oct 23, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Oct 24, 2024–Oct 23, 2025.

Last 12mo obligation volume: Highest positive obligations first; net deobligations follow by magnitude; contractors with no activity in the last 12 months follow by all-period obligations. Ranks use the complete contractor list and remain fixed when search narrows the results.

15 leading contractors
  1. #1

    Last 12mo obligations

    $1.9M

    41.2%

    Dollar movement

    +$169K

    vs. prior 12 months

    Last 12mo awards

    18 awards

    41 actions

    Historical and award details for NAVAJO TRIBAL UTILITY AUTHORITY
    Obligations: prior → latest
    $1.7M → $1.9M
    +9.8%
    Share: prior → latest
    65.5% → 41.2%
    −24.4 percentage points
    All-period obligations
    $14.1M
    38.4% of all-period positive obligations · 55 awards
    Recorded activity
    Since Oct 14, 2021
    through Oct 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1832
    Reported small business00
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $1.8M

    38.5%

    Dollar movement

    +$1.6M

    vs. prior 12 months

    Last 12mo awards

    1 award

    8 actions

    Historical and award details for CITY OF PHILADELPHIA
    Obligations: prior → latest
    $160K → $1.8M
    +1007.9%
    Share: prior → latest
    6.1% → 38.5%
    +32.4 percentage points
    All-period obligations
    $17.2M
    46.7% of all-period positive obligations · 2 awards
    Recorded activity
    Since Dec 15, 2021
    through Sep 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported11
    Reported small business00
    All-period set-aside types

    None reported.

  3. #3

    Last 12mo obligations

    $260K

    5.6%

    Dollar movement

    +$70K

    vs. prior 12 months

    Last 12mo awards

    10 awards

    19 actions

    Historical and award details for NEW MEXICO GAS COMPANY, INC
    Obligations: prior → latest
    $190K → $260K
    +36.9%
    Share: prior → latest
    7.2% → 5.6%
    −1.6 percentage points
    All-period obligations
    $1.9M
    5.1% of all-period positive obligations · 21 awards
    Recorded activity
    Since Oct 29, 2021
    through Sep 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1012
    Reported small business912
    All-period set-aside types

    None reported.

  4. #4

    Last 12mo obligations

    $101K

    2.2%

    Dollar movement

    +$48K

    vs. prior 12 months

    Last 12mo awards

    1 award

    3 actions

    Historical and award details for MID AMERICAN ENERGY COMPANY
    Obligations: prior → latest
    $54K → $101K
    +88.4%
    Share: prior → latest
    2.0% → 2.2%
    +0.2 percentage points
    All-period obligations
    $377K
    1.0% of all-period positive obligations · 1 award
    Recorded activity
    Since Dec 22, 2022
    through Feb 20, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $84K

    1.8%

    Dollar movement

    +$91K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    2 actions

    Historical and award details for NORTHWEST NATURAL GAS CO
    Obligations: prior → latest
    −$7K → $84K
    Not comparable
    Share: prior → latest
    0% → 1.8%
    +1.8 percentage points
    All-period obligations
    $393K
    1.1% of all-period positive obligations · 3 awards
    Recorded activity
    Since Nov 12, 2021
    through Feb 19, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported21
    Reported small business00
    All-period set-aside types

    None reported.

  6. #6

    Last 12mo obligations

    $84K

    1.8%

    Dollar movement

    +$10K

    vs. prior 12 months

    Last 12mo awards

    3 awards

    10 actions

    Historical and award details for MEC SERVICES LLC
    Obligations: prior → latest
    $74K → $84K
    +13.1%
    Share: prior → latest
    2.8% → 1.8%
    −1.0 percentage points
    All-period obligations
    $267K
    0.72% of all-period positive obligations · 3 awards
    Recorded activity
    Since Feb 2, 2024
    through Oct 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside33
    Reported no set-aside00
    Not reported00
    Reported small business33
    All-period set-aside types
    • 3 · Indian small business
  7. #7

    Last 12mo obligations

    $80K

    1.7%

    Dollar movement

    +$105K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for SOUTHERN CALIFORNIA GAS COMPANY
    Obligations: prior → latest
    −$25K → $80K
    Not comparable
    Share: prior → latest
    0% → 1.7%
    +1.7 percentage points
    All-period obligations
    $305K
    0.83% of all-period positive obligations · 2 awards
    Recorded activity
    Since Sep 13, 2022
    through Dec 2, 2025

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported11
    Reported small business00
    All-period set-aside types

    None reported.

  8. #8

    Last 12mo obligations

    $69K

    1.5%

    Dollar movement

    +$36K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    3 actions

    Historical and award details for CASCADE NATURAL GAS CORP
    Obligations: prior → latest
    $33K → $69K
    +109.4%
    Share: prior → latest
    1.3% → 1.5%
    +0.3 percentage points
    All-period obligations
    $183K
    0.50% of all-period positive obligations · 6 awards
    Recorded activity
    Since Jan 18, 2022
    through Jun 25, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside01
    Not reported22
    Reported small business10
    All-period set-aside types

    None reported.

  9. #9

    Last 12mo obligations

    $52K

    1.1%

    Dollar movement

    +$390

    vs. prior 12 months

    Last 12mo awards

    3 awards

    4 actions

    Historical and award details for ENSTAR NATURAL GAS COMPANY, LLC
    Obligations: prior → latest
    $52K → $52K
    +0.8%
    Share: prior → latest
    2.0% → 1.1%
    −0.8 percentage points
    All-period obligations
    $152K
    0.41% of all-period positive obligations · 3 awards
    Recorded activity
    Since Sep 12, 2024
    through Sep 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported31
    Reported small business00
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $37K

    0.79%

    Dollar movement

    −$8K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    5 actions

    Historical and award details for MERRIMAC PETROLEUM, INC
    Obligations: prior → latest
    $44K → $37K
    −17.8%
    Share: prior → latest
    1.7% → 0.79%
    −0.9 percentage points
    All-period obligations
    $122K
    0.33% of all-period positive obligations · 2 awards
    Recorded activity
    Since Jul 13, 2023
    through Sep 2, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside22
    Reported no set-aside00
    Not reported00
    Reported small business22
    All-period set-aside types
    • 2 · Total small business
  11. #11

    Last 12mo obligations

    $32K

    0.70%

    Dollar movement

    −$41K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for BLACK HILLS WYOMING GAS, LLC
    Obligations: prior → latest
    $73K → $32K
    −56.4%
    Share: prior → latest
    2.8% → 0.70%
    −2.1 percentage points
    All-period obligations
    $270K
    0.73% of all-period positive obligations · 2 awards
    Recorded activity
    Since Aug 30, 2022
    through Jun 12, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  12. #12

    Last 12mo obligations

    $28K

    0.61%

    Dollar movement

    −$63K

    vs. prior 12 months

    Last 12mo awards

    4 awards

    6 actions

    Historical and award details for QUESTAR GAS COMPANY
    Obligations: prior → latest
    $91K → $28K
    −69.0%
    Share: prior → latest
    3.5% → 0.61%
    −2.9 percentage points
    All-period obligations
    $291K
    0.79% of all-period positive obligations · 5 awards
    Recorded activity
    Since Mar 7, 2022
    through Oct 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside44
    Not reported00
    Reported small business33
    All-period set-aside types

    None reported.

  13. #13

    Last 12mo obligations

    $27K

    0.59%

    Dollar movement

    +$7K

    vs. prior 12 months

    Last 12mo awards

    1 award

    3 actions

    Historical and award details for TIGER NATURAL GAS, INC.
    Obligations: prior → latest
    $20K → $27K
    +32.3%
    Share: prior → latest
    0.77% → 0.59%
    −0.2 percentage points
    All-period obligations
    $120K
    0.32% of all-period positive obligations · 2 awards
    Recorded activity
    Since Mar 2, 2022
    through Jun 10, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported00
    Reported small business11
    All-period set-aside types

    None reported.

  14. #14

    Last 12mo obligations

    $27K

    0.58%

    Dollar movement

    +$27K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    4 actions

    Historical and award details for DT-TRAK CONSULTING, INC.
    Obligations: prior → latest
    $0 → $27K
    Not comparable
    Share: prior → latest
    0% → 0.58%
    +0.6 percentage points
    All-period obligations
    $27K
    0.070% of all-period positive obligations · 2 awards
    Recorded activity
    Since Dec 16, 2025
    through Jun 30, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside20
    Reported no set-aside00
    Not reported00
    Reported small business20
    All-period set-aside types
    • 2 · Indian small business
  15. #15

    Last 12mo obligations

    $21K

    0.46%

    Dollar movement

    +$17K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    2 actions

    Historical and award details for MOUNTAIN BARGE SERVICES LLC
    Obligations: prior → latest
    $4K → $21K
    +425.0%
    Share: prior → latest
    0.15% → 0.46%
    +0.3 percentage points
    All-period obligations
    $25K
    0.070% of all-period positive obligations · 2 awards
    Recorded activity
    Since May 8, 2025
    through Jul 30, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside21
    Reported no set-aside00
    Not reported00
    Reported small business21
    All-period set-aside types
    • 2 · Total small business

Recent federal contract award activity

Recent contract actions with unusually large obligation changes or meaningful shifts in contractor and funding-office activity.

Modification

This action

+$690K

NAVAJO TRIBAL UTILITY AUTHORITY

INDIAN EDUCATION ACQUISITION OFFICE

MOD #4 OY 2

Why it stands out

The award grew alongside stronger contractor activity.

The modification added $690K while contractor obligations rose $169K overall.

Award net obligations
$2.1M
Share of 12-month positive obligations
15.0%
Supporting data
Prime contractor
#1 · 41.2% share
−24.4 percentage points · $169K net increase; action exceeded it by $521K
Funding office
#1 · 55.0% attributed share
−25.7 percentage points · $438K net increase; action exceeded it by $252K
PIID 140A2324F0096 · Mod P00004
Modification

This action

+$529K

CITY OF PHILADELPHIA

WASHINGTON CONTRACTING OFFICE

UESC REHABILITATE MISSION DEPENDENT HVAC SYSTEMS AND IMPLEMENT ENERGY CONSERVATION MEASURES.

Why it stands out

The award grew alongside stronger contractor activity.

The modification added $529K while contractor obligations rose $1.6M overall.

Award net obligations
$16.9M
Share of 12-month positive obligations
11.5%
Supporting data
Prime contractor
#2 · 38.5% share
up 1 rank · +32.4 percentage points · $1.6M net increase; action accounted for 32.8%
Funding office
#2 · 38.5% attributed share
+32.3 percentage points · $1.6M net increase; action accounted for 32.8%
Related:Largest share gainFunding office gain
PIID 140P2122F0007 · Mod P00021
Modification

This action

+$400K

NAVAJO TRIBAL UTILITY AUTHORITY

INDIAN EDUCATION ACQUISITION OFFICE

UTILITY SERVICE CONTRACT

Why it stands out

One action represented 8.7% of the market’s latest 12-month positive obligations.

At $400K, the action was large enough to materially affect the latest 12-month market picture.

Award net obligations
$2.4M
Share of 12-month positive obligations
8.7%
PIID 140A2322F0182 · Mod P00010
Modification

This action

+$292K

CITY OF PHILADELPHIA

WASHINGTON CONTRACTING OFFICE

UESC REHABILITATE MISSION DEPENDENT HVAC SYSTEMS AND IMPLEMENT ENERGY CONSERVATION MEASURES.

Why it stands out

One action represented 6.3% of the market’s latest 12-month positive obligations.

At $292K, the action was large enough to materially affect the latest 12-month market picture.

Award net obligations
$16.9M
Share of 12-month positive obligations
6.3%
PIID 140P2122F0007 · Mod P00019
Modification

This action

+$264K

CITY OF PHILADELPHIA

WASHINGTON CONTRACTING OFFICE

UESC REHABILITATE MISSION DEPENDENT HVAC SYSTEMS AND IMPLEMENT ENERGY CONSERVATION MEASURES. MOD 0013

Why it stands out

One action represented 5.7% of the market’s latest 12-month positive obligations.

At $264K, the action was large enough to materially affect the latest 12-month market picture.

Award net obligations
$16.9M
Share of 12-month positive obligations
5.7%
PIID 140P2122F0007 · Mod P00015
Modification

This action

+$100K

MID AMERICAN ENERGY COMPANY

INDIAN EDUCATION ACQUISITION OFFICE

NATURAL GAS

Why it stands out

The contractor climbed 3 positions in this market.

It now ranks #4 by positive obligations over the latest 12 months.

Award net obligations
$377K
Share of 12-month positive obligations
2.2%
PIID 140A2323P0047 · Mod P00007
View recent award activity by date (10)
  1. ALII GAS INCDeobligation · PIID 140P8224F0019
    Action−$14K
    Award net obligations$14K
  2. ALII GAS INCDeobligation · PIID 140P8223F0006
    Action−$9K
    Award net obligations$19K
  3. ALII GAS INCDeobligation · PIID 140P8225F0002
    Action−$9K
    Award net obligations$19K
  4. QUESTAR GAS COMPANYDeobligation · PIID INR15PX00629
    Action−$4K
    Award net obligations$127K
  5. CITY OF PHILADELPHIAModification · PIID 140P2122F0007
    Action+$529K
    Award net obligations$16.9M
  6. ENSTAR NATURAL GAS COMPANY, LLCBase award · PIID 140D0426F1188
    Action+$59K
    Award net obligations$59K
  7. NAVAJO TRIBAL UTILITY AUTHORITYModification · PIID 140A2322F0326
    Action+$6K
    Award net obligations$26K
  8. ENSTAR NATURAL GAS COMPANY, LLCModification · PIID 140D0425F0666
    Action+$1K
    Award net obligations$53K
  9. NAVAJO TRIBAL UTILITY AUTHORITYModification · PIID 140A2322F0346
    Action+$200K
    Award net obligations$1.1M
  10. NEW MEXICO GAS COMPANY, INCDeobligation · PIID 140A2325F0135
    Action−$69K
    Award net obligations$181K

DOI natural gas distribution market FAQs

Answers based on reported federal contract data.

Who are the top DOI natural gas distribution contractors?

In the 12 months through October 23, 2026, NAVAJO TRIBAL UTILITY AUTHORITY, CITY OF PHILADELPHIA, and NEW MEXICO GAS COMPANY, INC were the leading DOI natural gas distribution prime contractors by positive obligations.

  1. #1

    NAVAJO TRIBAL UTILITY AUTHORITY

    $1,895,599 in positive obligations

  2. #2

    CITY OF PHILADELPHIA

    $1,773,179 in positive obligations

  3. #3

    NEW MEXICO GAS COMPANY, INC

    $259,568 in positive obligations

Rankings use reported USAspending award data.

Did DOI contract obligations increase in the natural gas distribution market?

Yes. Measured by net prime contract obligations, reported DOI activity in the natural gas distribution market increased 79.7% from $2,544,417 in the preceding 12 months to $4,571,246 in the 12 months through October 23, 2026.

Latest 12 months
$4,571,246
Net prime contract obligations
Preceding 12 months
$2,544,417
Net prime contract obligations
Change
+79.7%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

What recent DOI contract award activity was reported in the natural gas distribution market?

Recent DOI contract award activity reported in the natural gas distribution market included actions for NAVAJO TRIBAL UTILITY AUTHORITY, CITY OF PHILADELPHIA, and MID AMERICAN ENERGY COMPANY during the 12 months through October 23, 2026.

Action obligations are transaction-level amounts, not current award-level obligations.

Which procurement methods were reported for DOI contracts under NAICS 221210?

From October 24, 2025 through October 23, 2026, DOI reported 42 positive-obligation awards for natural gas distribution under NAICS 221210. The leading award type was delivery order. The leading reported procedure was sss.

Positive-obligation awards
42
Leading reported procedure
Sss
41.8% of positive obligations
Leading award type
Delivery Order
91.6% of positive obligations
Full and open
15.9%
of positive obligations
Reported parent IDV
92.2%
of positive obligations

Percentages use positive obligations as the denominator.

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Related market research

Complete market indexes:

Same NAICS at other agencies:

Nearby NAICS at this agency:

Markets sharing leading prime records:

Reported obligations include contract actions from October 1, 2021 through October 23, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology