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Sulivant & Sulivant Investigations 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.
Served areas
  • Oklahoma
Highlights and 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.
Associations and certifications
  • Better Business Bureau
Services
Surveillance
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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
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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
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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.
Internal Theft/Fraud
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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
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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
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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
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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.
Due Diligence
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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.
GPS Tracking
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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.
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Private Investigator Tulsa
Private Investigator Tulsa
Private Investigator Tulsa OK
Private Investigator Tulsa Oklahoma
Background Check Oklahoma
Private Investigator Oklahoma
Reviews (20)
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Christopher Holm
Mar 30, 2021
I found them knowledgeable and helpful. Their prices were upfront and reasonable. I will definitely use them again in the future.
Kelly W.
Nov 24, 2020
I have hired them three times to do background and asset reports. I have never been disappointed with the results. They are affordable and reliable.
Sandra Godsey
Sep 15, 2020
Took the time to explain services, process and cost. No BS here
D. Martin
May 08, 2020
Used this firm in a pinch and they handled everything quickly, very precise and thorough! You won't go wrong with this firm!
Priscilla Crider
Dec 04, 2019
Very professional and efficient. Always prompt in their replies. They have helped me gather all the info that I need for my case. Most importantly they care. It was a pleasant experience working with them. I would highly recommend their service.
Cory Lee
Nov 17, 2019
Helped me find the truth. Very diligent and responsive. Highly recommended!
Scott Vereb
Aug 16, 2019
Thorough, professional, (and most important), efficient! Speedy resolution of cases. Highly recommended!
Susan Frazier
Dec 29, 2018
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.
Greg
Jun 18, 2018
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.
Ken Bennefield
Jun 01, 2018
Excellent service. Completed job as promised. Highly recommended. Professional service worth your consideration.
Ryan Roach
Apr 10, 2017
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!
Paula D.
Feb 04, 2017
I have never had to hire anyone regarding a service of this nature. The people I talk to here were professional and kind. Made me feel that I wasn't asking stupid questions and were very helpful and reasonable. Really worth it to me!
John Babyar
Jan 08, 2017
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.
Glen Graham
Dec 06, 2010
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.
Jamie
Always maintained excellent communication...reports are on-time, thorough, consistent... surveillance has always been individualized to the claimant's activities.
Susan Frazier
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.
J. Babyar
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.
Ryan Roach
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!
Richard Perry
Help me find my daughter and one day when the mother ran off
John Temblador
A great network of investigators and services for your particular case!