Coil Winding Specialist, Inc.

Coil Winding Specialist, Inc. Utilities / GSA Programs Division, doing business as CWS, manufactures and supplies electrical infrastructure equipment, HVAC systems, generators, transformers, and power distribution components to federal agencies as a prime contractor (99% of recent awards), competing predominantly in full-and-open procurements without set-asides. CWS is a woman-owned small business (WOSB), minority-owned (Asian-Pacific American), self-certified small disadvantaged business (SDB), and for-profit manufacturer headquartered in Orange, California.

CWS operates almost entirely through the General Services Administration Multiple Award Schedule (MAS), which carries 103 task orders valued at $7.4 million in combined potential value across the federal portfolio. The company's capability footprint centers on electrical equipment manufacturing: rooftop HVAC units, backup generators, transformers, uninterruptible power supply (UPS) battery systems, portable load banks, and related electrical components for facility infrastructure and emergency power. Representative prime work includes a $330,864 delivery order from the Defense Information Systems Agency Middle East for shorebox filters (awarded March 2024, ultimate completion March 2029), a $316,805 Air Force delivery order for transformers and four-way cooper switches (June 2022), a $423,917 FEMA contract for portable resistive load banks across Atlanta and Tracy distribution centers (January 2023), and a $135,358 National Park Service order for generator supply and delivery to Yosemite (July 2024). Recent awards span civilian and defense agencies: a $298,480 Federal Correctional Institution Elkton delivery order for rooftop HVAC units (November 2026), a $244,408 Army Corps of Engineers Huntington District order for electrical components to Brewster (May 2026), and multiple Western Area Power Administration orders for HVAC installation at substations across South Dakota and Minnesota (June 2026).

Customer concentration is distributed across 71 distinct federal agencies, with the top five accounting for 25% of recent awards by count. The Department of Energy Western Area Power Administration leads by award volume (10 awards, $277 thousand combined potential value), followed by the Department of State Bureau of Overseas Building Operations (7 awards, $213 thousand), the Department of the Air Force Air National Guard (7 awards, $325 thousand), the Department of the Interior Bureau of Reclamation (6 awards, $245 thousand), and the Department of Homeland Security US Coast Guard (6 awards, $597 thousand). By dollar concentration, the Coast Guard anchors the portfolio ($597 thousand), followed by the Department of the Air Force ($503 thousand), Air Force Materiel Command ($470 thousand), and Washington Headquarters Service ($343 thousand). The portfolio shows stable activity—14 awards in each of 2024, 2025, and 2026 year-to-date—down from 24 awards in 2022 and 22 in 2023. Five awards (combined potential value $545 thousand) reach ultimate completion within the next twenty-four months and face recompete exposure.

CWS subcontracts minimally, with two recent sub-awards under Asrc Federal Facilities Logistics, LLC for transformer and electrical component provisioning on Task Orders (February 2025). The vendor's NAICS footprint centers on power distribution and specialty transformer manufacturing (103 awards), with secondary exposure in air-conditioning and warm air heating equipment manufacturing (7 awards) and miscellaneous electrical equipment component manufacturing (5 awards). The electrical equipment portfolio is heavily weighted toward air-conditioning equipment (22 awards by PSC), generators and generator sets (11 awards), miscellaneous electric power and distribution equipment (9 awards), refrigeration and air-conditioning components (7 awards), and coils and transformers (7 awards). Combined obligated dollars total $9 million against $17.4 million combined potential value across 144 recent awards.

Coil Winding Specialist Inc (CWS) is a woman owned small business. CWS designs, develops, manufactures, and distributes energy efficiency products, HVAC, transformers, inductors, coils, magnetic components.

CWS provides full turnkey services from design to manufacturing, installation, repairs and maintenance. Our installation, repair and maintenance crews are fully licensed by the state.

CAPABILIIES includes Noise filters and Coils, Transformer, High Power (dry and oil filled)Transformers, HVAC, UPS, Power Supplies, Pumps, VFDs and Generators supply, install, repair, and maintenance, Energy audits, Energy Savings Measures and Commissioning of large facilities.

Over the last five years, CWS has had over two hundred individual sales to the Federal government, including All six branches of the military, Department of State, Department of the Interior, Department of Agriculture, etc.