Top DOT electrical apparatus and equipment, wiring supplies, and related equipment merchant wholesalers contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $5.6M in net prime contract dollars under NAICS 423610, up 11.0% from $5.0M in the preceding 12 months. 16 prime contractors received positive obligations, and 2 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Transportation. 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 DOT contractors for NAICS 423610
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 | CD & T Logistics Inc | $4.5M | $4.5M | 78.8% | — |
| 2 | Newark Corporation | $247K | $12K | 4.3% | ▲ 7 |
| 3 | Opto 22 | $226K | $0 | 4.0% | New |
| 4 | Allied Wire and Cable LLC | $167K | $29K | 2.9% | — |
| 5 | Graybar Electric Company, Inc. | $154K | $0 | 2.7% | New |
| 6 | Star Lighting & Supply, LLC | $122K | $25K | 2.1% | ▼ 1 |
| 7 | Dealers Electrical Supply Co | $73K | $0 | 1.3% | New |
| 8 | Elliott Electric Supply, Inc. | $64K | $0 | 1.1% | New |
| 9 | Canal Alarm Devices, Inc | $30K | $0 | 0.5% | New |
| 10 | Hulk Emergency Vehicles Virginia LLC | $23K | $0 | 0.4% | New |
| 11 | Seal Company Enterprises, Inc. | $19K | $0 | 0.3% | New |
| 12 | 1155 Distributor Partners, LLC | $18K | $0 | 0.3% | New |
| 13 | Tessco Incorporated | $18K | $0 | 0.3% | New |
| 14 | Gigli Enterprises, Inc. | $18K | $13K | 0.3% | ▼ 6 |
| 15 | Broken Arrow Electric Supply Inc | $18K | $0 | 0.3% | New |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Newark Corporation$12K → $247K (+$235K) · now #2
- Opto 22$0 → $226K (+$226K) · now #3
- Graybar Electric Company, Inc.$0 → $154K (+$154K) · now #5
Largest declines
- FDH Electronics, LLC$500K → $0 (−$500K) · no latest-period obligations
- Thales Defense & Security, Inc.−$76K → −$128K (−$51K) · no latest-period obligations
- VFC Group LLC$34K → −$794 (−$35K) · no latest-period obligations
New to this market
8 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Opto 22 | Jul 13, 2026 | $226K |
| Dealers Electrical Supply Co | Jan 15, 2026 | $73K |
| Elliott Electric Supply, Inc. | Sep 3, 2026 | $64K |
| Canal Alarm Devices, Inc | Nov 13, 2025 | $30K |
| Hulk Emergency Vehicles Virginia LLC | Feb 2, 2026 | $23K |
| Seal Company Enterprises, Inc. | Nov 19, 2025 | $19K |
| 1155 Distributor Partners, LLC | Aug 11, 2026 | $18K |
| Broken Arrow Electric Supply Inc | Sep 4, 2026 | $18K |
Where the money comes from
Funding sub-agencies within the Department of Transportation, 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 |
|---|---|---|---|
| Federal Aviation Administration | $5.6M | $5.0M | Up $531K (10.6%) |
| Immediate Office of the Secretary of Transportation | $23K | $0 | New |
Common questions
Who are the top DOT contractors for NAICS 423610?
In the latest 12 months, CD & T Logistics Inc ($4.5M), Newark Corporation ($247K), Opto 22 ($226K) received the most DOT obligations for electrical apparatus and equipment, wiring supplies, and related equipment merchant wholesalers.
How concentrated is this market?
The eight largest primes held 97.2% of positive obligations, and CD & T Logistics Inc alone held 78.8%. 8 contractors won their first obligations in this market during the latest 12 months.
Related markets
NAICS 423610 across all agencies
DoD · NAICS 423610
$157.6MDOJ · NAICS 423610
$5.4MFigures 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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