Anaheim Automation manufactures AC, DC and VAC type drives. Their AC Servo drives have power ratings from 200 to 5,000 Watts, industrial-grade power modules, and modbus for networking up to 32 motors. Their brushless DC drives/controllers were designed for high volume OEM applications; brushless speed controllers have input ranges of 10 to 50VDC or 85 to 135 VAC, peak current 5 to 30 Amps. Anaheim Automaton also manufactures stepper drivers and brush DC drivers/controllers.

National Instruments manufactures servo and stepper drives as part of their motion control line. The P70360 and NI P70530 are both 1-axis stepper drives. The P70360 525 Watt drive has 2.5 A continuous current output and 320 V bus voltage; selectable 200 to 50,000 steps/revolution microstepping, available 120 or 240 VAC powered. The 300 Watt NI P70530 features 5 A continuous, 20 to 75 V bus voltage, 7.1 A peak current output and 20 to 75 VDC input voltage.

Aerotech digital servo amplifiers have a wide output power range from 10 A peak to 150 A peak at 320 VDC. Other features include 2- or 3-phase AC line input or DC input, continuous output current from 5 A to 75 A dependent on model.

Allied Motion offers brushless drives in two versions, integreated with their motors and as standalone units. Their X-Drives are precision, all-digital DSP-based servo drive amplifiers capable of supplying up to 12 A RMS continuous, 24 A RMS peak current at up to 230 VAC.

Baldor manufactures AC and DC servo drives. Their DC Servo Drives include totally enclosed  stand-alone units like the TSD series that plugs into 115 or 220 Vac. The UM series typically contains from one to six servo control cards mounted onto a multi-axes chassis containing a power supply. Baldor's MicroFlex e100 is one of their AC servo drives; it integrates  real-time Ethernet, and is available in single phase from 110-230VAC or 3 phase 230VAC operation in current ratings of 3, 6 and 9A.

The type of servo amplifiers Click Automation offers include Stepper, digital amplifiers, DC brush, DC brushless (trapezoidal), AC brushless (sinusoidal), step & direction input, PWM input and networking.

Cleveland Motion Controls offers web tension and embedded load cell amplifiers. Embedded load cell amplifiers feature an integrated signal conditioner, direct +/-10 VDC outputs, local signal conditioning, a 40:1 tension range, and a variety of style options, including: CLT, UPB, Slim Cell, or Cartridge. These amplifiers are capable of reducing hardware/wiring costs, freeing up panel space, bringing the signal directly to the local I/O, and eliminating amplifier setup/calibration.

Kollmorgern offers AC servo, DC servo, adjustable speed, stepper, and OEM/custom drive products, all with models available covering a wide range of input voltage and output power level. TheirAC servo drives are designed to complement their wide range of rotary and linear three phase brushless servomotors. Their DC motor adjustable speed drives are capable of running wound field or permanent magnet motors. Other adjustable speed drives Danaher offers include general purpose AC variable frequency drives from fractional to 40 HP.

Elmo Motion Control offers analog servo amplifiers, for brush and brushless DC motors, including brushless motors for sinusoidal commutation. Features of Elmo's amplifiers include ambient temp tolerance from 0° - 50°C (32° - 122°F), with models for extended environmental conditions also available, maximum humidity at 90% non-condensing, and a max. operating altitude up to 10,000 m (30,000 ft).

Galil Motion Control offers their Accelera and Econo series available in PCI bus and Ethernet/RS232 formats. Model options include plug-in drives for steppers and servos. The Accelera series is available in 1- through 8-axis models.

GE Intelligent Platforms offers the Alpha i and Beta i amplifiers. Alpha i models have continuous torque range that include 3.5-177 and 195-664 in-lb. The Beta i amplifiers have peak current of 10, 20 and 40 amps, models availabe in 1- and 3-phase.

Glentek offers Analog PWM (Pulse Width Modulated) Servo Amplifiers for the control of both rotary and linear brushless servo motors. All models can operate in current (torque) mode and the SMA8200 series can also operate in velocity (RPM) mode. All models accept a +/-10V analog input as a command reference. They provide a range of continuous currents from 5 amps to 100 amps and peak currents from 10 amps to 150 amps. Operating voltages range from either 70-240 or 240-340 VDC for Module and 3U Plug-In configurations and either 110-130 VAC or 208-240 VAC for Stand Alone and Multi-Axis configurations.

Logosol's LS-56P/57P/58P servo amplifiers are designed for applications using Panasonic A or S series motors, brushless, or brush-commutated DC motors up to 1 HP. The LS-5Y  PWM servo amplifier is designed for applications using DC brush type motors up to 1/2 HP. LS-5Y-BL  servo amplifier is designed for applications using brushless or brush-commutated DC motors up to 3/4 HP. Peak current time can be adjusted from 3 to 0 sec on both LS-5Y models.

PMD manufactures the ION family of products - compact and fully enclosed motion control digital drives for DC brush, brushless DC, and step motors. Features of the range include an up to 500 W or 3000 W rating, up to 20 A continuous and up to 30 A peak current, and 40 kHz PWM frequency, with 102 µsec servo loop rate.

Tolomatic manufactures electric rodless screw and belt drive actuators. They offer several series of various maximum stroke specifications including 100-200 inches, 96", 61-120 inches, dependent on models and other variables like screw selection (as applicable). Maximum static lateral load includes range from 70-1472 lb, 591-4636 lb, 200-17535 lb. and 100-200 lb., also dependent on model and series.

Trust Automation linear servo amplifiers are designed for a wide range of applications including those that require high bandwidth, high precision and low electrical noise. Customized solutions are also available. Continuous output power ranges from 25W to 150 W, and 600 W in the medium-power models. Continuous output current runs from 1A, 4A, to 6A, with peaks varying at 8A, 2A, 12A and 18A depending on model.

Varedan Technologies supplies linear servo amplifiers, motion controllers and PWM servo amplifiers for OEM applications. Varedan offers linear servo amplifiers designed for AC brushless and DC brush servo motors, and voice coil motors. Features of Varedan design include +/-10 to +/- 75 Volts DC Operation (up to 150 Vdc bus), high-bandwidth, and single-phase or three-phase version availability.

Western Servo Design offers servo amplifiers for DC brush motors, AC servo and brushless motors. Units are available with analog, sinusoidal and PWM input. Torque and velocity modes available with Linear and PWM outputs. Western has linear AC drive and DC drive types as well as 20-80kHz PWM. DC drives also include 40kHz PWM models.

Yaskawa is a manufacturer of industrial grade adjustable frequency AC drives, as well as variable frequency drives designed specifically for commercial HVAC applications. Yaskawa AC drives have power ranges from 1/8 Horsepower thru 1750 HP. HVAC drives include NEMA 1 drive configurations, configurable 2 contactor bypass, as well as non-standard configurations like 12- and 18-pulse, redundant drive and others; their Horsepower ratings range from 1/2 HP to 500 HP.

Midwest Motion offers a variety of servo amplifiers. Brushed servo amplifiers are offered in models MMP M1525-BR Series, MMP M815-BR Series, and MMP MB2 Series. Brushless servo amplifiers are offered in MMP M1525-BL Series, MMP M815-BL Series, and MMP M1224-BL Series.