Contact Us

Corporate Headquarters

Management, Scientific and Engineering Staff

Contract bids, proposal submissions, research projects or regular business.

OSI Corporate Offices

2 Metropolitan Court
Suite 6
Gaithersburg, MD 20878 USA

Tel: +01 301 963 3630

Fax: +01 301 948 4674

Executive Vice President Sung Kim

Tel: +01 301 963 3630 xt 314

Email:

VP Sales/Marketing Donn Williams

Tel: +01 301 963 3630 xt 315

Email:

Engineering Department

Tel: +01 301 963 3630 xt 316

Email:

Customer Service

Tel: +01 301 963 3630 xt 301

Email:

Request Information

Ordering, questions, or special requirements?

Call or email and receive swift help from a real person.

Hours

M-F 8:30 - 5:30 EST
(closed on national holidays)

Phone Number

1-301-963-3630

Address

2 Metropolitan Court, Suite 6
Gaithersburg, MD 20878