Federal Capture Intelligence

Top DOI natural gas distribution contractors (NAICS 221210)

Contract actions: October 1, 2021 – September 10, 2026 Updated September 11, 2026 Department of the Interior agency guide NAICS 221210 · Natural Gas Distribution
Latest 12 months
$3.8M
Net obligations · Up $997.3K vs. $2.8M 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 $36.1M in net obligations across 162 awards in Natural Gas Distribution at the Department of the Interior from Oct 1, 2021 through Sep 10, 2026. This market accounts for 0.14% of $25.8B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations increased 36.0% from $2.8M to $3.8M. 3 prime contractors accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY26 is year-to-date through Sep 10, 2026; earlier years show complete fiscal-year totals.

FY26 year-to-date: $3.9M versus $2.7M through the same date in FY25 (+45.2%).
Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$18.5M152Complete
FY2023$6.6M192Complete
FY2024$4.6M169Complete
FY2025$2.6M155Complete
FY2026$3.9M120YTD through Sep 10, 2026

Market at a glance

All reported prime contract awards
All-period net obligations
$36.1M
162 awards · 38 prime contractors
Latest 12-month movement
+36.0%
$3.8M vs. $2.8M
Leading eight prime share
93.3%
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 $25.8B 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 · 96 not reported

What changed in the last 12 months?

Sep 11, 2025–Sep 10, 2026, compared with Sep 11, 2024–Sep 10, 2025.

Competitive shifts

CITY OF PHILADELPHIA gained the most market share
7.7%→32.7%+25.0 percentage points
The contractor now ranks #2 by positive obligations, based on 7 reported actions.

Buyer demand

Reported obligations through WASHINGTON CONTRACTING OFFICE increased
$217K→$1.2M+$1.0M
Latest-period activity spans 1 award across 1 prime contractor.

Market structure

Reported set-aside share increased
34.5%→55.0%+20.5 percentage points
Of 20 latest-period awards with reported set-aside status, 11 were reported as set-asides.
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 Sep 10, 2026.

60.0% of positive obligations were attributed to INDIAN EDUCATION ACQUISITION OFFICE. That represents $2.3M, up $58K from the preceding 12 months.

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

  1. INDIAN EDUCATION ACQUISITION OFFICE60.0% · $2.3M · up $58K
  2. WASHINGTON CONTRACTING OFFICE33.0% · $1.2M · up $1.0M
  3. FOUR CORNERS CONSTRUCTION OFFICE1.3% · $50K · up $57K
  4. GRAND COULEE POWER OFFICE1.1% · $40K · up $40K
  5. WESTERN REGION0.93% · $35K · down $8K
  6. All other reported offices3.7% 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

    $2.3M

    60.0% of positive obligations

    Versus preceding 12 months

    +$58K

    10 active prime contractors · 37 awards

    View office comparison and evidence

    Reported obligations increased 2.6% from $2.2M to $2.3M. The office’s share of positive obligations moved from 78.2% to 60.0%, a change of −18.2 percentage points.

    The latest period contains 80 actions across 37 awards and 1 newly active prime contractor. The preceding period contained 11 active prime contractors and 47 awards.

  2. Reported funding office

    WASHINGTON CONTRACTING OFFICE

    #2Rank unchanged

    Latest 12 months

    $1.2M

    33.0% of positive obligations

    Versus preceding 12 months

    +$1.0M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 472.2% from $217K to $1.2M. The office’s share of positive obligations moved from 7.7% to 33.0%, a change of +25.3 percentage points.

    The latest period contains 7 actions across 1 award. The preceding period contained 1 active prime contractor and 1 award.

    Leading award-level changes

  3. Reported funding office

    FOUR CORNERS CONSTRUCTION OFFICE

    #3New to the positive-obligation ranking

    Latest 12 months

    $50K

    1.3% 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 1.3%, a change of +1.3 percentage points.

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

  4. Reported funding office

    GRAND COULEE POWER OFFICE

    #4New to the positive-obligation ranking

    Latest 12 months

    $40K

    1.1% 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 1.1%, a change of +1.1 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.

  5. Reported funding office

    WESTERN REGION

    #5Rank unchanged

    Latest 12 months

    $35K

    0.93% 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 1.5% to 0.93%, a change of −0.6 percentage points.

    The latest period contains 8 actions across 2 awards. The preceding period contained 2 active prime contractors and 2 awards.

  6. Reported funding office

    COLUMBIA CASCADE AREA OFFICE

    #6Up 5 from #11

    Latest 12 months

    $29K

    0.77% 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 0.35% to 0.77%, 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.

  7. Reported funding office

    PWR HONO MABO(82000)

    #7Up 1 from #8

    Latest 12 months

    $28K

    0.74% 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 0.97% to 0.74%, a change of −0.2 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

    GREAT PLAINS REGION

    #8New to the positive-obligation ranking

    Latest 12 months

    $27K

    0.70% 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 0.70%, a change of +0.7 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.

  9. Reported funding office

    PWR OLYM MABO(83000)

    #9Up 4 from #13

    Latest 12 months

    $21K

    0.56% 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 0.14% to 0.56%, a change of +0.4 percentage points.

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

  10. Reported funding office

    POWER OFFICE (00041)

    #10New to the positive-obligation ranking

    Latest 12 months

    $17K

    0.45% of positive obligations

    Versus preceding 12 months

    +$17K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations moved from $107 in net deobligations to $17K in net obligations. The office’s share of positive obligations moved from 0% to 0.45%, a change of +0.5 percentage points.

    The latest period contains 1 action across 1 award. The preceding period contained 2 active prime contractors and 2 awards.

  11. Reported funding office

    IMR ARIZONA(12400)

    #12Down 9 from #3

    Latest 12 months

    $7K

    0.17% 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 3.5% to 0.17%, a change of −3.4 percentage points.

    The latest period contains 8 actions across 3 awards. The preceding period contained 4 active prime contractors and 5 awards.

  12. Reported funding office

    ROCKY MOUNTAIN REGION

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$25K

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $25K to $0. The office’s share of positive obligations moved from 0.89% 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 1.3% to 0%, a change of −1.3 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

    OFFICE OF AVIATION SERVICES (00082)

    No positive-obligation rank

    Latest 12 months

    −$9K

    0% of positive obligations

    Versus preceding 12 months

    −$101K

    1 active prime contractor · 2 awards

    View office comparison and evidence

    Reported obligations moved from $92K in net obligations to $9K in net deobligations. The office’s share of positive obligations moved from 3.3% to 0%, a change of −3.3 percentage points.

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

Contract types, competition, and procurement methods

From Sep 11, 2025 through Sep 10, 2026, 38 awards had positive obligations totaling $4.0M. Only One Source was the leading reported procedure, accounting for 50.6% of positive obligations. Awards with a reported parent IDV accounted for 90.4%.

Leading award type
89.7%
Delivery Order
Leading reported procedure
50.6%
Only One Source
Reported parent IDV
90.4%
of positive obligations had a reported parent IDV
Median reported offers
1
15 of 38 awards reported offers

Buying method changes

Compared with Sep 11, 2024–Sep 10, 2025. Based on 38 current awards and 50 preceding awards with positive net obligations.

Reported full-and-open obligation share
22.2%
Down from 59.3% 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 0.8 percentage points higher, reported full-and-open obligation share is 16.9 percentage points lower, delivery-order obligation share is <0.1 percentage points higher, and median positive award obligations are 62.9% lower.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share90.4%89.6%+0.8 pts
Reported full-and-open obligation share22.2%39.1%-16.9 pts
Delivery-order obligation share89.7%89.6%+0.1 pts
Median positive award obligations$32K$86K-62.9%
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)23$3.6M89.7%
Purchase Order(B)14$385K9.6%
BPA Call(A)1$28K0.70%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)23$3.6M89.7%
BPA(E)1$28K0.70%
Not reported14$385K9.6%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)24$3.6M90.4%
Not reported14$385K9.6%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Only One Source(SSS)16$2.0M50.6%
Two Step(TS)6$889K22.2%
Ts(TWO STEP)5$863K21.6%
Simplified Acquisition(SP1)6$169K4.2%
Sss(ONLY ONE SOURCE)3$30K0.75%
Sp1(SIMPLIFIED ACQUISITION)2$27K0.67%

Extent competed

Reported valueAwardsPositive obligationsShare
Not Available for Competition(B)16$2.0M50.6%
Full and Open Competition(A)6$889K22.2%
A(FULL AND OPEN COMPETITION)5$863K21.6%
Competed Under SAP(F)6$169K4.2%
B(NOT AVAILABLE FOR COMPETITION)3$30K0.75%
F(COMPETED UNDER SAP)2$27K0.67%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Not reported38$4.0M100.0%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Utilities (FAR 6.302-1(B)(3))(UT)19$2.1M51.4%
Not reported19$1.9M48.7%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)27$3.1M76.2%
J(FIRM FIXED PRICE)10$920K23.0%
Fixed Price with Economic Price Adjustment(K)1$32K0.80%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Utilities- Gas(S111)21$2.1M51.6%
Utilities- Electric(S112)7$951K23.8%
Utilities- Other(S119)1$623K15.6%
Utilities- Water(S114)1$166K4.2%
Gases: Compressed and Liquefied(6830)6$143K3.6%
Fuels, Solid(9110)1$35K0.87%
Other reported values1$18K0.45%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Bureau of Indian Affairs and Bureau of Indian Education(1450)27$2.5M63.1%
National Park Service(1443)5$1.3M33.2%
Bureau of Reclamation(1425)6$147K3.7%

Awarding offices

Reported valueAwardsPositive obligationsShare
Indian Education Acquisition Office(140A23)24$2.5M61.6%
Washington Contracting Office(140P21)1$1.2M31.1%
Upper Colorado Regional Office(140R40)2$67K1.7%
Grand Coulee Power Office(140R17)1$40K1.0%
Imr Arizona(12400)(140P15)2$37K0.91%
Western Region(140A11)2$35K0.88%
Other reported values6$116K2.9%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
GS00P14BSD1060(4740)11$1.8M43.8%
47PA0420D0009(4740)1$1.2M31.1%
GS00P15BSD1140(4740)3$325K8.1%
GS00P16BSD1183(4740)1$85K2.1%
GS00P14BSD1054(4740)1$80K2.0%
47PA0426D0004(4740)1$40K1.0%
GS00P15BSD1139(4740)1$29K0.72%
140P8223A0003(1443)1$28K0.70%
Other reported values4$35K0.87%
Not reported14$385K9.6%

Offers, award size, and timing

Median reported offers
1 median
15 reported · 23 not reported
Positive award obligations
$32K median
$17K–$80K middle 50%
Reported performance period
1,142 days (~3.1 years) median
38 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 Sep 10, 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
44.1%of positive obligations in the last 12 months
Leading four prime contractors
85.0%of positive obligations in the last 12 months
Leading eight prime contractors
93.3%of positive obligations in the last 12 months

Based on $3.8M in positive obligations during the 12 months ending Sep 10, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Sep 11, 2024–Sep 10, 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

    $1.7M

    44.1%

    Dollar movement

    +$45K

    vs. prior 12 months

    Last 12mo awards

    19 awards

    43 actions

    Historical and award details for NAVAJO TRIBAL UTILITY AUTHORITY
    Obligations: prior → latest
    $1.6M → $1.7M
    +2.7%
    Share: prior → latest
    57.7% → 44.1%
    −13.6 percentage points
    All-period obligations
    $13.9M
    38.5% of all-period positive obligations · 55 awards
    Recorded activity
    Since Oct 14, 2021
    through Sep 4, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1931
    Reported small business00
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $1.2M

    32.7%

    Dollar movement

    +$1.0M

    vs. prior 12 months

    Last 12mo awards

    1 award

    7 actions

    Historical and award details for CITY OF PHILADELPHIA
    Obligations: prior → latest
    $217K → $1.2M
    +472.2%
    Share: prior → latest
    7.7% → 32.7%
    +25.0 percentage points
    All-period obligations
    $16.7M
    46.2% of all-period positive obligations · 2 awards
    Recorded activity
    Since Dec 15, 2021
    through Jun 30, 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

    $206K

    5.4%

    Dollar movement

    −$106K

    vs. prior 12 months

    Last 12mo awards

    10 awards

    21 actions

    Historical and award details for NEW MEXICO GAS COMPANY, INC
    Obligations: prior → latest
    $312K → $206K
    −33.9%
    Share: prior → latest
    11.0% → 5.4%
    −5.6 percentage points
    All-period obligations
    $1.9M
    5.4% of all-period positive obligations · 21 awards
    Recorded activity
    Since Oct 29, 2021
    through Aug 28, 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

    2.7%

    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
    1.9% → 2.7%
    +0.8 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

    2.2%

    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% → 2.2%
    +2.2 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

    2.2%

    Dollar movement

    +$10K

    vs. prior 12 months

    Last 12mo awards

    3 awards

    8 actions

    Historical and award details for MEC SERVICES LLC
    Obligations: prior → latest
    $74K → $84K
    +13.1%
    Share: prior → latest
    2.6% → 2.2%
    −0.4 percentage points
    All-period obligations
    $267K
    0.74% of all-period positive obligations · 3 awards
    Recorded activity
    Since Feb 2, 2024
    through Sep 1, 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

    2.1%

    Dollar movement

    +$25K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for SOUTHERN CALIFORNIA GAS COMPANY
    Obligations: prior → latest
    $55K → $80K
    +46.1%
    Share: prior → latest
    1.9% → 2.1%
    +0.2 percentage points
    All-period obligations
    $305K
    0.84% 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

    1.8%

    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
    1.2% → 1.8%
    +0.7 percentage points
    All-period obligations
    $183K
    0.51% 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

    $49K

    1.3%

    Dollar movement

    −$25K

    vs. prior 12 months

    Last 12mo awards

    3 awards

    6 actions

    Historical and award details for QUESTAR GAS COMPANY
    Obligations: prior → latest
    $74K → $49K
    −33.9%
    Share: prior → latest
    2.6% → 1.3%
    −1.3 percentage points
    All-period obligations
    $295K
    0.82% of all-period positive obligations · 5 awards
    Recorded activity
    Since Mar 7, 2022
    through Aug 25, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside33
    Not reported00
    Reported small business32
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $37K

    0.96%

    Dollar movement

    −$8K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    6 actions

    Historical and award details for MERRIMAC PETROLEUM, INC
    Obligations: prior → latest
    $44K → $37K
    −17.8%
    Share: prior → latest
    1.6% → 0.96%
    −0.6 percentage points
    All-period obligations
    $122K
    0.34% 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

    0.84%

    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
    2.6% → 0.84%
    −1.8 percentage points
    All-period obligations
    $270K
    0.75% 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

    0.73%

    Dollar movement

    +$630

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for ALII GAS INC
    Obligations: prior → latest
    $27K → $28K
    +2.3%
    Share: prior → latest
    0.96% → 0.73%
    −0.2 percentage points
    All-period obligations
    $111K
    0.31% of all-period positive obligations · 4 awards
    Recorded activity
    Since May 19, 2023
    through Apr 28, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported00
    Reported small business11
    All-period set-aside types
    • 4 · Total small business
  13. #13

    Last 12mo obligations

    $27K

    0.71%

    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
    0.72% → 0.71%
    0.0 percentage points
    All-period obligations
    $120K
    0.33% 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

    0.70%

    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% → 0.70%
    +0.7 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

    0.55%

    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
    0.14% → 0.55%
    +0.4 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

One action represented 18.1% of the market’s latest 12-month positive obligations.

At $690K, the action was large enough to materially affect the latest 12-month market picture.

Award net obligations
$2.1M
Share of 12-month positive obligations
18.1%
PIID 140A2324F0096 · Mod P00004
Modification

This action

+$400K

NAVAJO TRIBAL UTILITY AUTHORITY

INDIAN EDUCATION ACQUISITION OFFICE

UTILITY SERVICE CONTRACT

Why it stands out

One action represented 10.5% 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
10.5%
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

The award grew alongside stronger contractor activity.

The modification added $292K while contractor obligations rose $1.0M overall.

Award net obligations
$16.4M
Share of 12-month positive obligations
7.7%
Supporting data
Prime contractor
#2 · 32.7% share
up 1 rank · +25.0 percentage points · $1.0M net increase; action accounted for 28.4%
Funding office
#2 · 33.0% attributed share
+25.3 percentage points · $1.0M net increase; action accounted for 28.4%
Related:Largest share gainFunding office gain
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 7.0% 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
$16.4M
Share of 12-month positive obligations
7.0%
PIID 140P2122F0007 · Mod P00015
Modification

This action

+$261K

CITY OF PHILADELPHIA

WASHINGTON CONTRACTING OFFICE

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

Why it stands out

One action represented 6.9% of the market’s latest 12-month positive obligations.

At $261K, the action was large enough to materially affect the latest 12-month market picture.

Award net obligations
$16.4M
Share of 12-month positive obligations
6.9%
PIID 140P2122F0007 · Mod P00018
Modification

This action

+$100K

MID AMERICAN ENERGY COMPANY

INDIAN EDUCATION ACQUISITION OFFICE

NATURAL GAS

Why it stands out

The contractor climbed 5 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
2.6%
PIID 140A2323P0047 · Mod P00007
View recent award activity by date (10)
  1. NAVAJO TRIBAL UTILITY AUTHORITYDeobligation · PIID 140A2324F0096
    Action−$99K
    Award net obligations$2.1M
  2. NAVAJO TRIBAL UTILITY AUTHORITYDeobligation · PIID 140A2324F0098
    Action−$55K
    Award net obligations$495K
  3. MERRIMAC PETROLEUM, INCDeobligation · PIID 140P1523P0049
    Action−$868
    Award net obligations$91K
  4. MEC SERVICES LLCDeobligation · PIID 140A2324P0185
    Action−$56K
    Award net obligations$65K
  5. AMG COMPANY, INC.Deobligation · PIID 140P1523P0014
    Action−$27K
    Award net obligations$125K
  6. SOUTHWEST GAS CORPORATIONDeobligation · PIID 140A1122P0032
    Action−$69
    Award net obligations$13K
  7. SOUTHWEST GAS CORPORATIONDeobligation · PIID 140A1122P0032
    Action−$56
    Award net obligations$13K
  8. ONE GAS, INC.Base award · PIID 140A2326F0145
    Action+$20K
    Award net obligations$20K
  9. NEW MEXICO GAS COMPANY, INCDeobligation · PIID 140A2322F0133
    Action−$10K
    Award net obligations$51K
  10. NAVAJO TRIBAL UTILITY AUTHORITYDeobligation · PIID 140A2322F0150
    Action−$7K
    Award net obligations$55K

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 September 10, 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

    $1,679,311 in positive obligations

  2. #2

    CITY OF PHILADELPHIA

    $1,244,057 in positive obligations

  3. #3

    NEW MEXICO GAS COMPANY, INC

    $206,159 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 36% from $2,767,539 in the preceding 12 months to $3,764,789 in the 12 months through September 10, 2026.

Latest 12 months
$3,764,789
Net prime contract obligations
Preceding 12 months
$2,767,539
Net prime contract obligations
Change
+36%
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 September 10, 2026.

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

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

From September 11, 2025 through September 10, 2026, DOI reported 38 positive-obligation awards for natural gas distribution under NAICS 221210. The leading award type was delivery order. The leading reported procedure was only one source.

Positive-obligation awards
38
Leading reported procedure
Only One Source
50.6% of positive obligations
Leading award type
Delivery Order
89.7% of positive obligations
Full and open
22.2%
of positive obligations
Reported parent IDV
90.4%
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 September 10, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology