![]() Houston Plating & Coatings Houston Plating & Coatings (HP&C) is a company that provides electroless nickel plating, spray coatings, salt bath nitriding (SBN/QPQ), and other corrosion protection services to petroleum equipment and other manufacturers. | Spectrogon Spectrogon is a company that manufactures and develops optical filters, thin-film coatings, and holographic diffraction gratings. | ||
Founding Date | Founding Date 1974 | Founding Date 1988 | Founding Date 1984 |
Type | Type Subsidiary | Type Private | Type Private |
Tags | |||
Locations | Locations Brook Park, US HQ | Locations South Houston, US HQ Humble, US | Locations Täby, SE HQ |
Employees | Employees 87 | Employees 562% increase | Employees 512% increase |

Houston Plating & Coatings (HP&C) is a company that provides electroless nickel plating, spray coatings, salt bath nitriding (SBN/QPQ), and other corrosion protection services to petroleum equipment and other manufacturers.
View companySpectrogon is a company that manufactures and develops optical filters, thin-film coatings, and holographic diffraction gratings.
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