We at Sulivant & Sulivant Investigations pride ourselves on a quality work product, providing professional, cost effective and innovative solutions. We have years of investigative experience and are prepared to put our resources to work for you. We have investigative resources available at local, state and national levels.

We keep up to date with the latest trends in investigations, electronic and technological advances in the industry to better serve our clients.

We have a variety of equipment available to put to use on your case. We have the electronic and photographic equipment necessary for almost any investigation, such as digital recording systems, GPS tracking systems, low light surveillance cameras, mini-DVRs and covert camera systems.

We have the equipment necessary to document video or audio in just about any environment or circumstance. We can provide hidden video installation or put together an audio or video recording package to suit most any situation.

Highlights, Specialties & Features

  • We are a licensed investigative agency, both bonded and insured.
  • We have the resources and ability to handle complex investigations.
  • We have the expertise to conduct sensitive witness interviews in most any case.

Professional Associations & Certifications

  • Better Business Bureau

Serviced Areas

  • Oklahoma

Contact Details

  City Tulsa, OK
  Zip Code 74103
  Address 201 W 5th St Suite 520
  Phone Number (918) 895-2530

Products & Services


We conduct surveillance for all types of investigations and have the experience necessary to produce results when others may not. We document activity on video and also provide video on DVD for easy review. Whether related to a workers comp issue, personal injury, domestic, employee misconduct or any other issue we have years of experience to put to work for you.

Background Investigations

If you need to verify information for employment, or check the background of a potential spouse or mate, we have the resources available to do just that. We can also check the background of potential witnesses or suspects in a case, as this may be important for establishing the credibility of a witness. Let us put our information and resources to work for you.

Insurance Fraud Investigations

In these current economic times, insurance fraud is prevalent in our society. When you want to know if the claims alleged are true or if you want to know the specific limitations of a claimant, we have the surveillance experts available to get the answers you need. We document all claimant activity on video and provide video on DVD for easy review in your office or in the courtroom. We provide support for legal counsel, adjusters and special investigation units. We are experienced in court room testimony and providing sworn testimony in depositions.

Due Diligence

When you want to know the facts before entering into a business deal or partnership or just to prevent unnecessary harm to either party involved in a transaction, investment or sale, let our investigators check out the facts on the other party so you can make an informed decision.

Internal Theft/Fraud

If your company is experiencing losses due to theft, whether the actions of employees or unknown suspects not associated with your company, we have the experience and the resources to document the theft for insurance and prosecutorial purposes, conduct suspect and/or witness interviews and to recover assets.

We also have the expertise to assist law enforcement officials in the prosecution of suspects if necessary. In many cases, we prepare the case in chief for law enforcement in order to speed up the legal process.

Asset Searches

Are you trying to identify assets in order to collect on a judgment? We are ready to utilize all of our resources to locate and identify assets that you may be entitled to in order to satisfy a debt.

Witness Locates

Whether you are needing to locate a potential witness to determine what information they may possess about a particular case or if you need a witness located, interviewed or subpoenaed, we have the resources available to locate witnesses almost anywhere in the world. We subscribe to a number of national and international databases in order to provide you with up to date information.

Industrial Espionage

Do you suspect a current or former employee of stealing company information or trade secrets? Do you suspect a rival company of gaining access to customer/vendor information or inventory? Are they utilizing intellectual property developed by or belonging to your company? Let us do the investigative research utilizing innovative solutions to get the information necessary for your company to protect its most valuable assets.

Divorce/Child Custody/Infidelity Investigations

Do you suspect infidelity or are you involved in child custody litigation. Many good people find themselves in situations that they had never dreamed of, such as a divorce action or a situation involving an unfaithful mate. We have the personnel and experience to gather the facts necessary to give you and your attorney the edge you need in the courtroom. Even if you are not seeking a divorce or other legal action we can provide answers so you can make important decisions regarding your relationship.

Why litigate a matter if you don't have to and if you do find yourself in that situation, you will need all the information possible for the successful resolution of your case. Let our common sense investigative approach work for you to the get the answers you need and save you money.
We have the resources and experience to gather all of the pertinent facts in order to put you in the best possible position in court or in negotiations. We will guide you through the process with compassion and a genuine interest in the outcome of your case.

GPS Tracking

We have the latest GPS tracking equipment available to assist in all types of investigations. Some restrictions may exist. Call for a consultation and quote.

Promotions & Discounts

Sulivant & Sulivant Investigations

Sulivant & Sulivant Investigations is a full-service licensed, bonded and insured investigative agency providing a wide range of proven, cost-effective services to law firms, insurance companies, public and private entities and individuals. 918-895-2530 www. statewidepi. com

  • I would recommend this business

I used Sulivant & Sulivant Investigations on a complex missing persons case that lasted for five months. Sulivant & Sulivant Investigations never gave up and they were able to obtain information that the sheriff used to locate my clients missing children who had been abducted by there estranged father.

Value for money
Service & support
Overall ratingExcellent

  • I would recommend this business

I have been using Sulivant & Sulivant Investigations for process Serving in the Tulsa area for several years now. The staff are always willing to go the extra mile to get the job done. They are diligent and thorough in their efforts to locate and serve people. I highly recommend Sulivant & Sulivant Investigations for all your serving needs.

Value for money
Service & support
Overall ratingExcellent

Customer Testimonials

A great network of investigators and services for your particular case!

Help me find my daughter and one day when the mother ran off

These folks are professional and very effective. They helped me out in ways I can not describe. I recommend anyone needing these types of services greatly considers this group. They won't let you down!

I have used this PI firm to assist me in some big cases twice in the last year. If not for their diligence in locating some evidence that had been moved from Arkansas to Oklahoma my client may have been wrongly convicted of a felony.

The service was provided quickly, professionally and comprehensively. I was impressed with the followup with me to inquire if I had questions and to explain several items in the report. Staff were all professional, polite and extremely helpful. They went the extra mile to provide the information I needed. Thank you.

Always maintained excellent communication...reports are on-time, thorough, consistent... surveillance has always been individualized to the claimant's activities.

Very honest and dependable a name you can count on...

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