Top Interior electrical contractors and other wiring installation contractors contractors
In the 12 months ending Oct 5, 2026, the Department of the Interior obligated $18.0M in net prime contract dollars under NAICS 238210, up 21.3% from $14.8M in the preceding 12 months. 127 prime contractors received positive obligations, and 23 of them accounted for 80% of that spend.
Prime contracts funded by the Department of the Interior. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top Interior contractors for NAICS 238210
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Decca Environmental Solutions Inc. | $4.4M | $0 | 22.7% | New |
| 2 | Basler Services LLC | $1.6M | $930K | 8.3% | ▲ 4 |
| 3 | Cebuana Construction Inc | $1.6M | $0 | 8.3% | New |
| 4 | Classic Site Solutions Inc | $1.2M | $0 | 6.1% | New |
| 5 | Range Construction LLC | $767K | $0 | 4.0% | New |
| 6 | Elements 5, LLC | $632K | $0 | 3.3% | New |
| 7 | Mcgary Construction LLC | $610K | $0 | 3.2% | New |
| 8 | Yorkshire Industries LLC | $464K | $0 | 2.4% | New |
| 9 | Supreme Electric LLC | $405K | $0 | 2.1% | New |
| 10 | Copper Mountain Services LLC | $392K | $1.6M | 2.0% | ▼ 8 |
| 11 | ATZ Solution LLC | $379K | $30K | 2.0% | ▲ 41 |
| 12 | NW TEL, LLC | $367K | $79K | 1.9% | ▲ 20 |
| 13 | Alaska Line Builders LLC | $334K | $0 | 1.7% | New |
| 14 | Ready Power, L.L.C. | $300K | $0 | 1.6% | New |
| 15 | Advanced Logistic Partners Inc | $258K | $0 | 1.3% | New |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Decca Environmental Solutions Inc.$0 → $4.4M (+$4.4M) · now #1
- Cebuana Construction Inc$0 → $1.6M (+$1.6M) · now #3
- Classic Site Solutions Inc$0 → $1.2M (+$1.2M) · now #4
Largest declines
- Vieco Development and Construction Company, Inc.$1.6M → $0 (−$1.6M) · no latest-period obligations
- National Contracting Services, LLC$1.4M → $100K (−$1.3M) · now #30
- Copper Mountain Services LLC$1.6M → $392K (−$1.2M) · now #10
New to this market
85 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Decca Environmental Solutions Inc. | Mar 13, 2026 | $4.4M |
| Cebuana Construction Inc | Sep 3, 2026 | $1.6M |
| Classic Site Solutions Inc | Sep 10, 2026 | $1.2M |
| Range Construction LLC | May 7, 2026 | $767K |
| Elements 5, LLC | May 29, 2026 | $632K |
| Mcgary Construction LLC | Feb 25, 2026 | $610K |
| Yorkshire Industries LLC | Sep 1, 2026 | $464K |
| Supreme Electric LLC | Sep 14, 2026 | $405K |
Where the money comes from
Funding sub-agencies within the Department of the Interior, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| National Park Service | $11.6M | $10.1M | Up $1.5M (14.9%) |
| Bureau of Reclamation | $2.8M | $1.1M | Up $1.7M (155.4%) |
| U.S. Fish and Wildlife Service | $1.2M | $516K | Up $723K (140.2%) |
| Bureau of Indian Affairs and Bureau of Indian Education | $1.0M | $1.8M | Down $760K (42.5%) |
| Departmental Offices | $415K | $535K | Down $121K (22.6%) |
| Bureau of Land Management | $335K | $583K | Down $248K (42.6%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 140P5325C0021 | National Contracting Services, LLC MACA-INSTALL HOTEL GENERATOR/UPGRADE ELE | $1.5M | Feb 1, 2027 |
| 140R3025C0011 | Basler Services LLC PD- EXCITER DIGITAL FRONT END UPGRADE | $1.3M | May 1, 2027 |
| 140P8426C0002 | Cebuana Construction Inc REHABILITATE WESTSIDE POWER AND COOLING SYSTEMS, PINNACLES NATIONAL PARK (PINN) | $1.6M | Jul 1, 2027 |
| 140R6026P0090 | Basler Services LLC EO 14398 MTAO-YT & CF EXCITATION SYSTEM UPGRADE | $1.3M | Sep 17, 2027 |
| 140P4326C0024 | Classic Site Solutions Inc LOWELL NATIONAL HISTORICAL PARK - SECURITY UPGRADES | $1.2M | Nov 15, 2027 |
Common questions
Who are the top Interior contractors for NAICS 238210?
In the latest 12 months, Decca Environmental Solutions Inc. ($4.4M), Basler Services LLC ($1.6M), Cebuana Construction Inc ($1.6M) received the most Interior obligations for electrical contractors and other wiring installation contractors.
How concentrated is this market?
The eight largest primes held 58.3% of positive obligations, and Decca Environmental Solutions Inc. alone held 22.7%. 85 contractors won their first obligations in this market during the latest 12 months.
Are any large Interior NAICS 238210 contracts ending soon?
5 of the largest awards in this market reach their current end date in the next 18 months. The first is 140P5325C0021 (National Contracting Services, LLC, $1.5M obligated), ending Feb 1, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 238210 across all agencies
DoD · NAICS 238210
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$159.0MState Department · NAICS 238210
$137.3MDOT · NAICS 238210
$74.0MDHS · NAICS 238210
$59.2MDOJ · NAICS 238210
$28.3MHHS · NAICS 238210
$13.9MUSDA · NAICS 238210
$9.7MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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