About Us

SPECTRA GROUP LTD. INC was founded by Douglas C. Neckers and certain investors in 1990. Its first objective was to print medical models for surgical planning from CT and MRI scans. 



Today Spectra Group Ltd. Inc. is a privately owned business located at 27800 Lemoyne Rd, off State Rt. 795 and 2 miles from Ohio Turnpike exit 71 to the north; 1 mile from I-280 to the east. Its extraordinary easily accessed facilities are filled with photopolymer and synthetic organic chemistry experts prepared to meet customers’ needs. Every Spectra Group employee is an alumnus of Bowling Green State University. Most were affiliated with the Center for Photochemical Sciences and most have Ph. D. degrees from that program. Spectra Group’s photo scientists are problem solvers in all fields in which light interacts with matter. Spectra Group employees are among the most knowledgeable experts in photopolymers, photopolymerization, photochromic compounds and color change technologies.


For additional information or to order, please call us at (419) 837-9783 or
e-mail us at info@sglinc.com