SEM Buyer's Guide
Company List - Narrow-band

349	Acoustic Technology Group
443	Acticut International, Inc.
964	Benstone Instruments
35	Bruel & Kjaer
1447	Crystal Instruments
353	Data Physics Corp.
409	FocusTek
356	Frequency Devices, Inc.
366	HEAD acoustics, Inc.
986	HGL Dynamics
987	HGL Dynamics, Ltd.
152	Larson Davis
148	LMS Americas
358	m+p international inc.
165	MTS Systems
192	OROS, Inc.
202	Pacific Instruments, Inc.
210	Precision Filters, Inc.
231	Sage Technologies
364	Scantek, Inc.
412	Spectral Dynamics, Inc.