WME Incorporated.
Pumps, valves, fitting, controllers and other vacuum components, all very useful, hard-to-find parts and some odd ball parts too.
http://www.wme-inc.com/WebPages/Vacuumpg/Vacuum01.htm

Greenwich Golf Fitting Studio
Offers KZG and Ruger, fitting, located near NYC in tri-state area.
http://www.greenwichgolf.com/

OriginLab
OriginLab produces professional graphing and data analysis software for scientists and engineers. Our products are designed to be easy-to-use, yet have the power and versatility to provide for the most demanding user.
http://www.originlab.com/

2D Curve Fitting
Online Software for Structural Engineer, Student - Bending Moment, Deflection & Shear of Beam - Curve Fitting – Truss – Plate - Stress - Buckling & Nonlinear Behavior of Thin Shells by Large Deflection, Shock Absorber
http://www.soft4structures.com

Castalloy Intnl.
Castalloy is India's largest manufacturer of metal parts used in QVF, SCHOTT, XSTRONG type glass assemblies for manufacturing of corrosive chemicals, pesticides, NAC/SAC plants, pharmaceuticals & in labs.
http://www.castalloyintl.com

FitStik Bicycle Fitting Tool
Lets you duplicate riding position on any bicycle. Also for initial bike fitting. Used by bicycle shops, clubs, training, spin classes, coaches, racing, triathlons.
http://www.cyclemetrics.com

Curve fitting software
Focus is a curve fitting software for the Windows operating system that has been developed to facilitate spectroscopic modelling and data exchange
http://crmht.cnrs-orleans.fr/pot/software/focus.html

Thule, Inc.
Offers bike, ski, snowboard, watersport, luggage and multipurpose roof racks. Includes fitting guide, parts, product information, instructions and dealer information.
http://www.thule.com/

Least Squares Method Program
Weighted nonlinear least squares estimation curve fitting program. Weighted nonlinear least squares regression analysis program, freeware to download. Weighted least squares fitting program. Least squares method, multidimensional least squares approximation. Errors (covariance matrix) in each axis, many dimensions.
http://www.prz.rzeszow.pl/~janand/

The Ridge Tool Company
The Ridge Tool Company, making the finest RIDGID brand tools for pipe fabrication, woodworking, drain cleaning and drain diagnostics.
http://www.ridgid.com/