PI employs over 25 sales professionals based in strategic locations across the western US including Oklahoma and Texas. These reps can be contacted either directly or through SPI’s home office. SPI has a voice mail system that is available 24/7 and we encourage you to leave non-urgent messages for your representative there. If your need is urgent, we encourage you to contact the office directly as your representative may be tied up and we have several alternative resources available to address your need without delay.