Compac Development Corporation, established 1976, specializes in meeting your RFI/EMI shielded enclosure requirements.
Compac offers an extremely versatile line of off-the-shelf shielded enclosures plus the additional capability of customizing our standard product lines, manufacturing to your specs, from prototype to production.
To further support the design function Compac offers a broad selection of RF accessories, gaskets, coaxial attenuators, coaxial terminations, filter feed-thrus, connectors, mounting bars, etc.
The Compac concept is geared to fast, accurate, dependable deliveries to meet the most demanding delivery schedules.


REI/EMI Shielded Enclosures (RFT)

60db @3Ghz

RFI/EMI Shielded Enclosures (SRF)

Shielding to 80db @ 20GHz

Electronic Enclosures (Blank)

Shielding to 100db @ 100 MHz

Board Mountable Enclosures (FLT)

Shielding to 60 db @ 3GHz

Custom Enclosures

Complete custom capabilities including- Finishes and Hardware


Connectors, Mounting Bars, Filters/Feed Through


31 Standard Configurations with Connectors and Filters in Blank or RFT Series


Compac has over 500 standard sizes that are truly “off the shelf”, from the “not so rf-tight”, (our Blank Series) to “the middle of the road”, (our RFT Series) to the most rf-tight standard enclosure on the market, (our SRF Series).

We have the ability to modify our standard products to your specifications ( i.e.: connector patterns, tapped holes for feed- thru’s, milling for D-Sub connectors, punching for bulkhead mounted connectors just to name a few! Just send (e-mail, fax or snail-mail) us a print for your immediate quote.

Compac also has the ability to lend each of the methods of manufacture to a custom size, manufacture that size and warrants the custom size’s performance.

Site Overview:

  • Located in Bay Shore, NY
  • Specializing in RFI/EMI shielded enclosures
  • Full line of standard off-the-shelf shielded enclosures, plus the ability to customize to supplied specifications
  • Broad selection of RF accessories, gaskets, coaxial attenuators, coaxial terminations, connectors, and mounting bars.

Machining and Sheet-metal

Because of Compac’s unique position we can offer our customers a complete “Build to Print” capability, for both your machining and sheet-metal needs. Just send us your print for a quote.


The standard finish on all of Compac’s Standard parts is Chemical Film per Mil-C-5541 Class 3. Compac offers a wide selection of other finishes from plated (e.g. Electro and Electroless Nickel Plating, Silver, Tin, Cad, Gold and Anodize to name a few.) We also offer both paint and powder coating. We can part mark by silk screening, stenciling, engraving or rubber-stamping.

Available Accessories

  • Gaskets
  • Coaxial
  • Attenuators
  • Coaxial Terminations
  • Filter Feed-Thrus
  • Connectors
  • Mounting Bars


Compac is the only manufacturer that specializes in your enclosure needs, offering the most “RF-Tight” standard enclosure in the market place. We offer complete versatility from modifying our parts, building custom sizes, to complete “build to print” capabilities.

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Compac Development, Corp.

110 Plant Ave.

Hauppauge, NY 11788

Phone: 1-631-881-4906