Verified Nov 2026
Thermal & Fluid Systems
·
Hayward, California
·
Since 1956
R.F. MacDonald Co. is a distributor and service provider of industrial boilers, pumps, and related accessories, headquartered in Hayward, California. Founded in 1956, the company has an estimated 200-500 employees and an estimated revenue band of $10-50 million, and it is 100% employee-owned. It serves the automotive, electric-vehicle, construction, medical, military-defense, and industrial-equipment sectors. In August 2026, Cleaver-Brooks announced a partnership with the company, which was completed on October 1, 2026.
R.F. MacDonald Co. at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
1956
Headquarters
Hayward, California
Certifications
ISO 14001 · ISO 9001
Industries
Automotive
Electric Vehicles
Construction
Medical
Military & Defense
Industrial Equipment
STABILITY SIGNALS
Established & active
70 years in operation (founded 1956).
Holds ISO 14001, ISO 9001 certification(s) per public sources.
Overview
R.F. MacDonald Co. is a distributor and service provider of industrial boilers, pumps, and related accessories, headquartered in Hayward, California. Founded in 1956, the company has an estimated 200-500 employees and an estimated revenue band of $10-50 million, and it is 100% employee-owned. It serves the automotive, electric-vehicle, construction, medical, military-defense, and industrial-equipment sectors. In August 2026, Cleaver-Brooks announced a partnership with the company, which was completed on October 1, 2026.
At a glance
Attribute | Detail |
|---|---|
Founded | 1956 |
Headquarters | Hayward, California |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Thermal & Fluid Systems |
Certifications | ISO 14001 · ISO 9001 |
What R.F. MacDonald Co. makes
The company supplies pumps, valves, and emissions-related equipment, offers installation, maintenance, pump repair, custom system design, temporary rentals, and technical training, and holds ISO 9001 and ISO 14001 certifications.
Products and capabilities described on the company's own site include Pump, Valve, Emissions (source: rfmacdonald.com).
Certifications
R.F. MacDonald Co. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — rfmacdonald.com
ISO 9001 — rfmacdonald.com
Latest developments
2026-10-20 — Boiler Maintenance Payment Ratified to R.F. MacDonald (civiciq.com)
2026-10-07 — Husch Blackwell Advises Cleaver-Brooks on Acquisition of R.F. MacDonald Co. | Husch Blackwell (huschblackwell.com)
2026-10-01 — Cleaver-Brooks and RFMCO Complete Partnership Agreement (rfmacdonald.com)
2026-09-08 — Marshall & Stevens Advises R.F. MacDonald in Partnership with Cleaver-Brooks - Marshall & Stevens (marshall-stevens.com)
2026-08-25 — Cleaver-Brooks Announces Partnership with R.F. MacDonald | Cleaver-Brooks | Cleaver-Brooks (cleaverbrooks.com)
2026-04-15 — RFMCO Now Represents AtmosZero (rfmacdonald.com)
Facilities
R.F. MacDonald Co. is headquartered in Hayward, California. Public sources also reference these locations:
South Dakota — rfmacdonald.com
Company details
The company operates ten offices across California and Nevada and has a facility listed in South Dakota. R.F. MacDonald Co. was founded in 1956, has an estimated 200-500 employees, and is headquartered in Hayward, California. On the LightSource stability read it is rated "Established & active": 70 years in operation (founded 1956). Holds ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does R.F. MacDonald Co. make?
R.F. MacDonald Co. is a distributor and service provider of industrial boilers, pumps, and related accessories, headquartered in Hayward, California. Founded in 1956, the company has an estimated 200-500 employees and an estimated revenue band of $10-50 million, and it is 100% employee-owned. It serves the automotive, electric-vehicle, construction, medical, military-defense, and industrial-equipment sectors. In August 2026, Cleaver-Brooks announced a partnership with the company, which was completed on October 1, 2026.
Where is R.F. MacDonald Co. headquartered?
R.F. MacDonald Co. is headquartered in Hayward, California (25920 Eden Landing Road, Hayward, California, 94545).
When was R.F. MacDonald Co. founded?
R.F. MacDonald Co. was founded in 1956.
How big is R.F. MacDonald Co.?
R.F. MacDonald Co. has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
What certifications does R.F. MacDonald Co. hold?
R.F. MacDonald Co. lists ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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Last verified Nov 2026. Is this your company? Request a correction.
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