Contrinex: Produces a wide range of proximity switches, including virtually all the common standardized inductive and photoelectric types with a specialty in high-performance devices.

Mencom Corporation: Molded cables, receptacles, Multi-pin industrial rectangular connectors for power and data lines, A wide variety of metric, PG and NPT cable glands, and Panel Interface Connectors. 

Catalog (pdf file), 

ILME

ILME: Heavy duty multipole connectors. (Supported by Mencom)

These rectangular power connectors are used in electric and electronic machinery, control units, electric panels, control equipment and wherever connections are required for power and signaling circuits.

The connectors are suitable for use with alternate or direct current and are designed for heavy duty industrial applications.

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Z-SERIES Connectors for the Injection Mold Industry	TOOLS	ACCESSORIES