I and I Sling Inc

Trusted since 1911 for all your Custom Lifting, Rigging and Construction Supply needs

For over 100 years, Hardware Products Company, LP. has been one of the leading manufacturers of hardware products. The company specializes in the manufacture of compression, extension, flat and torsion springs. In addition it also provides wire forms, retaining rings and custom spring designs. Hardware Products Company, LP.'s products are mainly utilized for valve and pipe fittings, surgical and medical instruments, electronic components NEC, industrial valves, measurement and control development and many more. The company's capabilities include in-house grinding, wheelabrating, tumbling, color coding, deburring, etc. Hardware Products Company, LP. is a member of the Spring Manufacturer's Institute.

Plansee USA, formerly known as Schwarzkopf Technologies, is one of the world's leading manufacturers of products made of molybdenum, tungsten, tantalum, niobium and chromium. The company provides a range of refractory metals. It offers powder metallurgical solutions. Plansee USA is located in Franklin in Massachusetts. Founded in 1939, the company serves the aerospace, electronic, medical and furnace construction industries. It provides engineering, precision machining and custom fabrication services. Plansee USA also produces a line of chemical plants. The company offers press tools made of steel and carbide metals. It additionally provides corrosion testing solutions. Plansee USA has achieved ISO 9000 and AS9100 certifications.