![]() Spectrum Control Spectrum Control (formerly known as APITech and API Technologies) is a company that designs and manufactures systems and components for RF, microwave, electromagnetic, power, and security applications. | ![]() Frequency Electronics Frequency Electronics, Inc. (FEI) is a company that designs, develops, and manufactures precision timing, frequency control, and synchronization products. | ||
Founding Date | Founding Date 1963 | Founding Date 1968 | Founding Date 1961 |
Type | Type Private | Type Subsidiary | Type Public |
Tags | |||
Locations | Locations Aurora, US HQ | Locations Fairview, US HQ Ottawa, CA Schwabach, DE Ciudad Juárez, MX Gloucester, GB Great Yarmouth, GB Ann Arbor, US see more | Locations Uniondale, US HQ Garden Grove, US Northvale, US |
Employees | Employees 235 | Employees 5574% increase | Employees 2168% increase |
Operating ⚠ | |||
Product Categories | Product Categories 5 (Jun, 2024) | Product Categories 8 (May, 2024) | Product Categories N/A |

Spectrum Control (formerly known as APITech and API Technologies) is a company that designs and manufactures systems and components for RF, microwave, electromagnetic, power, and security applications.
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Frequency Electronics, Inc. (FEI) is a company that designs, develops, and manufactures precision timing, frequency control, and synchronization products.
View company