Material Customers and Suppliers Schedule 4.20 sets forth a list of the names of (a) (i) the ten (10) largest customers of each of the STD Business and MED Business (taken as whole, and as measured by revenue) and (ii) the ten (10) largest suppliers, vendors, and service providers by dollar volume of each of the STD Business and MED Business (taken as whole and as measured by revenue), for the twelve (12) month period ended December 31, 2013 and (b) (i) the ten (10) largest customers of each of the STD Business and the MED Business (taken as whole, and as measured by revenue) for the eleven (11) month period ended November 30, 2014 and (ii) the ten (10) largest suppliers, vendors, and service providers by dollar volume of each of the STD Business and MED Business (taken as whole and as measured by revenue), for the ten (10) month period ended October 31, 2014 (each such customer required to be listed on Schedule 4.20, a "Material Customer," and each such supplier, vendor or service provider required to be listed on Schedule 4.20, a "Material Supplier"). During the twelve (12) months prior to the date of this Agreement (A) no Material Customer or Material Supplier has terminated or Threatened to terminate its relationship with the Company, Newco or a Sold Subsidiary, as applicable, (B) no Material Customer or Material Supplier has materially decreased or limited, or, to the Company's Knowledge, Threatened to materially decrease or limit, the services (including lead times), supplies or materials supplied to or purchased from the Company, Newco or a Sold Subsidiary, as applicable, (C) no Material Customer or Material Supplier has materially changed or Threatened to materially change, its business relationship, pricing or terms and conditions of purchase or sale, as the case may be, with the Company, Newco or any Sold Subsidiary, (D) no Material Customer has materially accelerated its purchasing or otherwise made any purchases materially outside of the ordinary course, due to a discontinuation of any product line of the Company, Newco or any of the Sold Subsidiaries, any announced, communicated or anticipated change in pricing or other material terms, and (E) no Material Customer has notified the Company, Newco or any Sold Subsidiary in writing that the Company, Newco or any Sold Subsidiary is required to re-qualify under any customer program of any Material Customer. To the Company's Knowledge, there is not, and, since January 1, 2012, there has not been, any material dispute by and between the Company, Newco or any Sold Subsidiary, on the one hand, and any Material Customer or Material Supplier, on the other hand.
Customers and Suppliers (a) Section 3.15(a) of the Disclosure Schedules sets forth (i) each customer who has paid aggregate consideration to the Company for goods or services rendered in an amount greater than or equal to $25,000 for each of the two most recent fiscal years (collectively, the “Material Customers”); and (ii) the amount of consideration paid by each Material Customer during such periods. The Company has not received any notice, and has no reason to believe, that any of its Material Customers has ceased, or intends to cease after the Closing, to use its goods or services or to otherwise terminate or materially reduce its relationship with the Company.
Major Customers The following table reflects the major customers of the Partnership's oil and gas sales (a major customer is defined as a customer whose sales exceed 10% of total sales) during the years ended December 31: 1998 1997 1996 ---- ---- ---- Genesis Crude Oil, L.P. .................................... 50% 52% 54% Western Gas Resources Inc. ................................. 31% 25% 15% GPM Gas Corporation......................................... 3% 7% 15% At December 31, 1998, the amounts receivable from Genesis Crude Oil, L.P. and Western Gas Resources Inc. were $23,843 and $43,179, respectively, which are included in the caption "Accounts receivable -- oil and gas sales" in the accompanying Balance Sheet. The Partnership's share of oil and gas production is sold to various purchasers. Pioneer USA is of the opinion that the loss of any one purchaser would not have an adverse effect on the ability of the Partnership to sell its oil and gas production.