JB's just rebuilt two Crusader 7.4L xli heads for me. The experience was excellent. It is a…read morepleasure to work with a well-run business; that rarely happens in marine repairs! I highly recommend them.

Can't say enough great things about this establishment. I had such terrible luck with machine shops…read morein the past. I brought a small project to them highly skeptical and prepared to be disappointed. They went above and beyond that first time, and each consecutive time after that. Fantastic customer service, prompt turn-around, and top notch skill to remind us that competent and professional businesses still exist. I'd give them ten stars if I could!

Although he wasn't able to help me with my project, it certainly wasn't for lack of trying. This…read moreis a well-equipped machine shop that has been in place for 20+ years and the job I took to him even exceeded the very well stocked library of engineering tables and manuals he has on hand. But just from watching what went on during our short interaction I'd go back to him in a heartbeat. Would probably have rated him a 5 but I have no product to assess his actual work.

Nice guy but has every excuse in the book to stall. Took my engine parts for a rebuild and two…read moreyears later after frozen pipes, sick aunts, in the hospital, daughters house issues, moving to Va. probably best not to deal with the aggravation

Been using Dave Martin for years. His prices are fair and…read morehis customer service is excellent. He has built numerous drag racing engines for me. I have referred quite a few customers his way

Best machine shop in DC area. Needed a custom aluminum piece for an automotive engine and this…read moremachine shop was the solution. Nice friendly staff and reasonable prices!

They knew just what I needed and my parts were ready when they were supposed to be. Good price…read moretoo! This was as good as it can be.

I asked them to repair a motor head for one of my trucks, they did it quickly, neatly, and…read moreprofessionally. After it was fixed the owner even brought it back to my shop so I could get my trucks back out on the road! Great guy great experience

Rick and crew were able to tackle a quick repair job, without notice, before promised schedule and…read moreat a respectable price.

From the owner: Lake Precision Machine, Inc. (LPM), is a company dedicated to machining, sheet metal, welding,…read morefabrication and wet painting. The current operation was formed in October 2022 when Lake Precision Machine, a company with a 20 year history, acquired the assets and employees of West Manufacturing, a company with a 54 year history. Staff members are long term employees of the company with extensive knowledge in their respective fields. The manufacturing operations are located in a 12,000 sq ft facility in Hagerstown, Maryland, strategically located near the intersection of Routes 70 & 81. Customer base consists of Federal and Local Governments, Transportation Industry, Material Handling Industry, Medical, Aerospace, Microwave, & general job shop customers.