IMI PBM (Pittsburgh Brass Manufacturing) is a company over 100 years old that began as a non-ferrous foundry in 1899 along the Monongahela River in Pittsburgh. Outgrowing this location, the foundry was moved in 1918 to the heart of the industrial section along the Allegheny River. The first floor of a five-story building housed the foundry. The upper floors were developed into a machine shop that manufactured blast furnace and steel plant fittings. Pittsburgh Brass Manufacturing earned a reputation as a reliable supplier to the steel industry. In the late 1950s, James H. Brennan Sr. shifted the company’s operations to the development of specialty Ball Valves. The first Ball Valve was shipped in 1960.

In 1968, for the purpose of consolidating operations and allowing for future expansion, PBM moved to its present site in Irwin, 20 miles southeast of Pittsburgh, PA. From this location, the first Flush Bottom Mounted Ball Valve and True Multi-Port Ball Valves were developed and manufactured. Today we are one of the leading producers of sanitary and industrial valves.

PBM, Inc. was acquired by IMI Critical Engineering in 2019. We are now re-branded as IMI PBM and we look forward to growing as a company and enhancing our customer’s experience by providing safe, reliable, high quality valves.


Within our facility, valves are designed, machined, fabricated, assembled, tested, inspected, and packaged for shipment throughout the world. IMI PBM inventories millions of dollars of raw material and finished components to support customer delivery requirements.

In 2020, IMI PBM completed a 19,000 sq ft expansion to our production floor, increasing our production area by 40%. This expansion allowed us to increase our assembly capacity, added an improved clean assembly area, a new quality lab, and dramatically improved our process flow. The expansion also allows for additional manufacturing space in the previously existing building.

View Job Openings

Why Join a Talent Network?

An iHire Choice Employer!

We took iHire's pledge to treat job seekers well by:

• Following fair hiring practices as an Equal Opportunity Employer (EOE)

• Having initial applications that take less than 10 minutes to complete

• Keeping applicants informed, even when we close a job or take a candidate out of the running

Office Location(s)

Job Openings with IMI PBM

We currently do not have any open positions, but please check back soon.

Don't see a job opening that interests you?
Join our Talent Network to be considered for future opportunities at IMI PBM