PRLB vs LMB Comparison

Proto Labs Inc is an on-demand manufacturer of custom parts for prototyping and short-run production. The company offers developers and engineers quick-turn production services to reduce the time to market. Proto Labs uses injection molding, computer numerical control machining, and 3-D printing to manufacture custom parts for its clients. The company services clients' needs for prototype solutions, parts for testing procedures, bridge production capabilities during disruptions in manufacturing processes, limited-quantity requests, and end-of-life production support. Geographically, a majority of the company's revenue is derived from the United States and the rest from Europe.

Limbach Holdings Inc is a commercial specialty contractor in the fields of heating, ventilation, air conditioning, plumbing, electrical, and building controls for the design and construction of new and renovated buildings, maintenance services, energy retrofits, and equipment upgrades. It operates in two segments namely General Contractor Relationships (GCR) and Owner Direct Relationships (ODR). The company generates maximum revenue from the ODR segment.