Founded in a 250-square-foot Lockport garage in 1955, Diversified Manufacturing now engineers and builds thermal equipment—particularly custom heat exchangers and pressure vessels—alongside the fabrication and machining needed to bring them from concept to production. Its 160,000-square-foot New York facility also supports industrial cooling products and equipment remanufacturing for local and international customers. The company holds ISO 9001:2015 and ASME certifications, including the ASME U and PP stamps.
ISO 9001:2015
ASME Certificate of Authorization (U)
ASME Certificate of Authorization (PP)
Certificate of Authorization (Repair)
EU-Type Examination Certificate
ASME Code
Compliance program
TEMA
Compliance program
European PED (CE)
Compliance program
China Manufacturing License
Registration
Korean Gas Safety (KGS)
Registration
Canadian Registration Number (CRN)
Registration
API 614
Compliance program
API 660
Compliance program
API 661
Compliance program
API 714
Compliance program
ASMEU
Quality certification
ASMEPP
Quality certification
CEMARKING
Quality certification
PED
Quality certification
KGS
Quality certification